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Permission Letter to Study While Working (Sample Letters)

A Permission Letter to Study While Working is an official letter written by an employee to request that their employer allow them to study while working.

The letter should include which course you are enrolled in, the maximum number of hours that will be devoted to studying, what days or hours your study sessions will be held on, and the specific date that the letter is being issued.

All full-time or part-time employees who intend to study while working must write a permission letter to seek official approval from their employer before enrolling in a given course or making any study plans. Some employers have policies that forbid employees from studying while working; thus, failing to obtain official authorization to study while working from the employer may result in an employee being reprimanded or even fired.

An application for permission to study while working provides the employer with the chance to review your request, assess whether giving you time off to study will negatively affect their day-to-day business operations, and then decide whether they will allow you or not. The letter also gives the employer the chance to seriously review you as a possible future employee, as it goes into your permanent employment record.

Employers are also more likely to hire or promote an employee interested in advancing their career who has taken the initiative by applying and getting permission to study. Writing the letter is also viewed as an act of trust and honesty on the part of the employee; thus, the employer may be willing to grant them the permission they need, even if working while studying is against the employer’s policies .

Downloadable Templates

With a template, you are sure to include all the required information to convince your employer to grant your request, and your only task will be to customize the template as per your needs, and then print it out for use. Such professional templates are available to download for free below.

How to Write a Permission Letter

This letter is an official business correspondence that goes into an employee’s permanent employment record. The letter should be written professionally, and the language used should be straightforward. The tone used should also be polite and formal, and the entire document must be professionally formatted.

The following section provides a comprehensive guide on writing effective letters of permission to study while working:

Give details of the job position you hold

It is essential to include details about your current job position in the introductory paragraph. Briefly introduce yourself by stating your full name, adding your job title, mentioning the number of hours you work, and including the name of your respective department. This will help your employer understand the role you play in their company.

State your reason for writing the letter

After providing details about yourself and the job position you hold within the organization, provide a brief explanation of your reason for writing the letter. In this context, mention that you are seeking approval to enroll in a given educational program, then briefly state why you need to study while working.

Provide details of the course of study

A well-crafted letter must contain all the details relating to the course you are planning to take. This includes the institution’s name, address, mobile phone number, and contact personnel such as the department head or administrator; the course name; anticipated date of commencement of studies; duration of the course; fees; where it will be held; and the course schedule .

Providing details about your course of study in the letter is crucial because it is the essence of the letter. It is what the employer wants to read, and they may use this information to distinguish genuine requests from those that are not.

Explain your future plans

Use one or more paragraphs to describe your plans for managing work and studies during the period you will be studying. This is a crucial part of the letter because it gives the employer a clear picture of your long-term goals. Provide sufficient details about how you will divide time between studies, your workload, and necessary days off for studying or work.

While writing this section, you should demonstrate how you will achieve a balance between schoolwork and your current job duties and responsibilities to convince the management or your employer further to permit you to study. Besides, be sure to mention that your current hours of employment will not be affected by the additional time you intend to devote to your studies.

Describe your requirements

Your letter must also contain a discussion about the number of hours you will need for study, what days of the week you will be attending classes, the time, and the number of day-offs you will need to ensure you successfully meet and complete the requirements of your course.

Make sure that your requirements are reasonable, considering your current work commitments and level of attendance at work. If you need any financial assistance from your employer to complete your studies, consider describing it in this section and providing as much detail as possible.

To make the letter more convincing for the reader, consider explaining briefly how enrolling in the study program will benefit both you and the company in terms of employee performance and increased future job opportunities with the organization.

In your letter, mention that you are a valuable employee who can achieve even more in their current position with further education.

Thank your employer for their support

Showing gratitude to your employer for their support may seem like a small gesture, but it demonstrates your thankfulness and shows that you are mindful of the employer’s support. So, briefly thank your employer for their support, even though they may not approve your request. You may also include a statement about how you will continue to be an asset to the organization and how your studies can improve your performance as a top-level employee.

Provide your contact details for a follow-up

Conclude your letter by reiterating your reason for writing it, then provide your contact information to leave the door open for a follow-up or any feedback from your employer or the management.

You may provide your reliable email address or mobile phone number and politely ask the employer to contact you if they need any further information.

Afterward, use an appropriate sign-off, such as sincerely, yours truly, etc., to end the letter and then include your signature, printed name, job position, and employment status with the company.

Template and Samples for Permission Letter for Studying While Working

Your Name Your Address Your City, State Zip Code Your Phone Number Your Email

Name Title Organization Address City, State Zip Code

Dear Mr. or Mrs. Last Name:

I am employed with your organization in the capacity of ____________ (capacity/job title). I drafted this letter to seek permission from you to pursue my ____________ (course of study). I know it is against the organizational employment policy to engage in any duty besides work.

Nonetheless, I have put in place solid measures to make up for the time that I will be away. I have already presented a plan that will see me alter my work periods to set aside ample time to pursue my studies.

The ____________ (institution applied for) asked me two things with regard to this issue. For one, they have requested that you send them an express written message directly. Then, they have also asked that you remit my annual fees (specify the exact amount) directly to them (account number).

You have to send the written letter within a fortnight from now. The other will come in later after I have already received my registration number.

Feel free to reach out to me for any clarification if need be. I sincerely hope that you won’t let me down.

Respectfully,

Signature (hard copy letter)

FirstName LastName

Sample letters

For those seeking a balance between career growth and educational pursuits, the ensuing sample letters are intended as formal requests to obtain permission for simultaneous work and study commitments. 

Dear Mr. James Anderson,

I hope this letter finds you well. I am writing to formally request your permission to pursue further studies while continuing my employment with Anderson Technologies. As a dedicated employee for the past three years, I have consistently sought ways to contribute positively to our team’s success. I believe that enrolling in a Master’s program in Software Engineering at Greenfield University will significantly enhance my skills and knowledge, directly benefiting our company’s technical team.

The course schedule is flexible and primarily online, ensuring that my work responsibilities will not be compromised. I have already devised a time management plan to balance my studies and work commitments effectively. I am confident that this advanced education will enable me to bring more innovative solutions and improved efficiency to our projects.

Thank you for considering my request. I am looking forward to a positive response and am happy to discuss any concerns or questions you may have.

Emily Carter

Software Developer

Anderson Technologies

Dear Ms. Laura Bennett,

I am writing to seek your approval to enroll in an evening MBA program at Cityscape Business School while maintaining my current position at Bennett Retail Inc. As the Assistant Manager for the last two years, I have always aimed to contribute substantially to our store’s growth and customer satisfaction.

The MBA program is designed for working professionals and will not interfere with my job responsibilities. It offers courses in the evenings and on weekends, aligning perfectly with my work schedule . By gaining deeper insights into business management, marketing strategies, and customer relations, I am confident that this academic pursuit will enhance my capabilities and directly benefit our store’s operations and sales.

I assure you of my commitment to managing my work and study schedules effectively without impacting my professional responsibilities. I am eager to discuss how this opportunity can be mutually beneficial and am available for any further discussion or clarification needed.

Thank you for considering my request. Your support in this endeavor would be greatly appreciated.

Kind regards,

Michael Thompson

Assistant Manager

Bennett Retail, Inc.

If you are still having difficulty crafting an effective letter or simply want to save time and effort writing a letter from scratch, you can consider downloading free templates to help make your work easier and more convenient. The templates are usually pre-written following the accepted standard format, with fields for keying in the relevant details and a comprehensive guideline on the type of information to provide.

The two letters seeking permission to study while working serve as useful examples of professional and effective communication due to several key technical aspects. Firstly, both letters begin with a respectful greeting, establishing a formal tone appropriate for workplace correspondence. The writers then introduce their requests clearly and concisely, demonstrating respect for the reader’s time. 

A significant strength in these letters is the inclusion of relevant personal and professional context, such as the writer’s current position and tenure with the company, which adds credibility to their requests. Importantly, both writers anticipate potential concerns about their ability to balance work and study. They address this by outlining the flexible nature of their chosen programs and their commitment to maintaining work performance, showcasing proactive thinking and responsibility. Additionally, the letters are structured logically, with each paragraph focusing on a specific aspect of the request, making them easy to follow and understand. 

The use of polite and appreciative language throughout the letters not only conveys respect but also helps in fostering goodwill. Lastly, the closing remarks are courteous, inviting further discussion and showing openness to addressing any questions or concerns, which is essential in maintaining open lines of communication. These features collectively make these letters useful for readers seeking to write similar requests in a professional setting.

Final Thoughts

If you are among the people who need to pursue higher education while still maintaining their source of income, be sure to craft a well-written and professionally formatted letter requesting your employer to allow you to study while working. Your letter must contain all the relevant details relating to your job position with the employer, the course of study you intend to take, your long-term plans for balancing work and school, and your requirements to complete the course successfully. Your letter must also demonstrate your gratitude to your employer for their support, and it must be considerate of the employer’s needs and resources as well as your own. By taking into account all these essential tips and standard practices to write a permission letter to study while working, you are sure to convince your employer to grant you permission, sign up for your course, attend classes as per your course schedule, and focus on your studies without worrying about compromising your work in any way.

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• Letter of Recommendation For Further Studies By Employer

A letter of recommendation plays a pivotal role in supporting an individual's application for further studies or educational pursuits. As an employer, you possess unique insights into the candidate's professional capabilities, personal attributes, and potential for growth. We understand the significance of crafting an effective recommendation letter that not only endorses the candidate but also highlights their strengths and suitability for the desired academic program.In this collection of four templates, we provide examples of letters of recommendation for further studies by employers. Each template is tailored to different scenarios, such as academic pursuits, postgraduate studies, professional development, and personal growth. These templates are designed to assist employers in expressing their support and endorsement of the employee's aspirations for higher education.It is essential to personalize these templates by including specific details about the candidate's accomplishments, work ethic, and contributions to the organization. Additionally, you may include anecdotes or examples that exemplify the candidate's potential to excel in their chosen field of study.By using these templates as a foundation, you can construct a compelling and sincere letter that not only strengthens the candidate's application but also reflects positively on your organization's commitment to nurturing talent and promoting educational advancement. Remember to tailor each letter to the specific requirements of the academic institution and the candidate's aspirations, ensuring a compelling and impactful endorsement that resonates with the admissions committee.

Template Letter of recommendation for a master's degree program

To whom it may concern,

I am writing to recommend [Name] for the [Master's degree program] at [University]. I have had the pleasure of working with [Name] for [duration] as [his/her] [position] at [Company].

[Name] is an exceptional employee who has demonstrated [his/her] skills, knowledge and abilities in [field]. [He/She] has successfully completed [projects/tasks/achievements] that have contributed to the growth and success of our company. [Name] is also a lifelong learner who is always eager to expand [his/her] horizons and acquire new skills. [He/She] has expressed a strong interest in pursuing a master's degree in [field] to further enhance [his/her] professional development and career prospects.

I believe that [Name] would be an excellent candidate for the [Master's degree program] at [University]. [He/She] has the academic background, work experience and personal qualities that make [him/her] suitable for this program. [He/She] is also a reliable, responsible and respectful person who can work well with others and adapt to different situations. I have no doubt that [he/she] will excel in this program and achieve [his/her] goals.

Therefore, I highly recommend [Name] for the [Master's degree program] at [University]. Please feel free to contact me if you have any questions or need further information.

[Your name] [Your position] [Your company] [Your contact details]

Template Letter of recommendation for a PhD program

Dear [Professor/Admission committee],

I am delighted to recommend [Name] for the [PhD program] in [field] at [University]. I have known [Name] for [duration] as [his/her] [position/supervisor/mentor] at [Company/Institution].

[Name] is a brilliant and talented researcher who has made significant contributions to the advancement of knowledge in [field]. [He/She] has published/co-authored [number] of papers in reputable journals and conferences, and has received several awards and recognitions for [his/her] work. Some of the highlights of [his/her] research include:

• [Briefly describe one or two major achievements or projects that demonstrate the quality and impact of his/her research]

[Name] is also a passionate and dedicated student who has excelled in both theoretical and practical aspects of [field]. He/She has completed a master's degree in [field] from [University], with a GPA of [#.#/#.#]. He/She has also taken advanced courses in topics such as [list relevant courses], and has demonstrated a deep understanding and mastery of these subjects. He/She has also shown great initiative and creativity in developing and applying new methods and techniques to solve complex problems in his/her field.

I believe that [Name] has the potential to become a leading scholar and innovator in his/her field. He/She has the intellectual curiosity, analytical skills and perseverance that are essential for conducting high-quality research at the doctoral level. He/She also has the communication skills, teamwork skills and ethical standards that are necessary for collaborating with other researchers and disseminating his/her findings to the academic community and beyond.

Therefore, I strongly recommend [Name] for the [PhD program] in [field] at [University] . I am confident that he/she will be an asset to your program and will make significant contributions to your research group and department. Please do not hesitate to contact me if you require any further information or clarification.

Yours sincerely,

[Your name] [Your position] [Your company/institution] [Your contact details]

Template Letter of recommendation for a professional development course

I am pleased to recommend [Name] for the [Professional development course] offered by [Organization] . I have been [Name]'s [position] at [Company] for [duration] and I have witnessed [him/her] grow and excel in [field] .

[Name] is a valuable employee who has shown [him/her] self to be [list positive attributes, such as competent, motivated, innovative, etc.] . He/She has successfully completed [list projects/tasks/achievements] that have benefited our company and our clients. He/She has also demonstrated a strong commitment to continuous learning and improvement, as evidenced by [list examples of training, certifications, courses, etc. that he/she has completed or participated in] .

[Name] has expressed a keen interest in enrolling in the [Professional development course] offered by [Organization] . He/She believes that this course will help [him/her] enhance [his/her] skills and knowledge in [area/topic] , which are relevant and important for [his/her] current and future roles. He/She also hopes that this course will enable [him/her] to network with other professionals and experts in [field] , and to gain new insights and perspectives on [field] .

I fully support [Name]'s decision to pursue this professional development opportunity. I believe that he/she will benefit greatly from this course and will be able to apply what he/she learns to [his/her] work and career. I also believe that he/she will be an active and engaged participant who will contribute positively to the learning environment and the course outcomes.

Therefore, I highly recommend [Name] for the [Professional development course] offered by [Organization] . Please feel free to contact me if you have any questions or need more information.

Template Letter of recommendation for a scholarship

Dear [Scholarship committee],

It is my pleasure to recommend [Name] for the [Scholarship name] offered by [Organization]. I have known [Name] for [duration] as [his/her] [position/teacher/advisor] at [Company/School].

[Name] is an outstanding individual who has demonstrated excellence in both academic and extracurricular activities. He/She has achieved a GPA of [#.#/#.#] in his/her [degree/major] program, and has been ranked among the top [#]% of his/her class. He/She has also received several honors and awards for his/her academic performance, such as [list awards]. He/She has also participated in various research projects, internships, volunteer work, clubs, and competitions that showcase his/her skills, interests, and leadership potential. Some of the examples of his/her achievements include:

• [Briefly describe one or two major achievements or activities that highlight his/her qualifications for the scholarship]

[Name] is also a person of character and integrity who has earned the respect and admiration of his/her peers, teachers, and mentors. He/She is always courteous, responsible, and cooperative, and has a positive attitude towards learning and challenges. He/She is also generous, compassionate, and altruistic, and has shown a genuine concern for the welfare of others and the society. He/She has volunteered for various causes and organizations, such as [list examples], and has made a difference in the lives of many people.

I believe that [Name] is an ideal candidate for the [Scholarship name] offered by [Organization]. He/She has the academic merit, extracurricular involvement, personal qualities, and financial need that make him/her deserving of this scholarship. He/She also has a clear vision and plan for his/her future education and career goals, which align with the mission and values of your organization. He/She intends to pursue a [degree/major] in [field] at [University], and hopes to use his/her education and skills to contribute to the advancement of [field] and the society.

Therefore, I strongly recommend [Name] for the [Scholarship name] offered by [Organization]. I am confident that he/she will make the most of this opportunity and will prove to be a valuable member of your organization and community. Please do not hesitate to contact me if you need any further information or clarification.

[Your name] [Your position] [Your company/school] [Your contact details

We are delighted to extend our professional proofreading and writing services to cater to all your business and professional requirements, absolutely free of charge at Englishtemplates.com . Should you need any email, letter, or application templates, please do not hesitate to reach out to us at englishtemplates.com. Kindly leave a comment stating your request, and we will ensure to provide the necessary template at the earliest.

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Request Letter for Permission to Study by Employee

Sample letter Asking permission to study while working. Sample letter requesting permission to further study. Application for permission to continue study.

Letter Requesting Permission to Study

It is stated that I am doing my job with full of my dedications from last 2 years. Now I want to continue my studies from university. I request you to help me over my studies fee, and give me permission to take my university classes. So I can continue my job, and studies both parallel.

Application for Permission of Study

To The registrar University of ABC

With due respect it is stated that I am serving as a lecturer in your prestigious institute from (Date), during this period I tried my best to serve, and to some extend I have become one of the hardworking teacher during this period. As you know I have written five research journals published from Asian EFL, and won many awards of a best researcher at national, and international level.

Now I am planning to go for my PHD. As per policy of your institute you give permission to your employs when they complete two years. It will be your great favor if you give me permission for further study

Your obediently xyz

Request Letter for Permission to Study

I am writing this letter to you so that I can ask for your permission. Sir I want to continue my studies which I have left two years ago, i know it’s against company’s policy that not work, and study at any place during the contract. But please allow me; you won’t face any disturbance in my work I guarantee you.

Thanks, Sincerely,

Mr. Hassan Asif

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How to Write an Application Letter to Study at a University

How do I Write an Application Letter to Study at a University?

According to Indiana University, a university application letter, also called a personal statement, serves three important purposes. The application letter serves to introduce yourself, outline your goals, past experiences and qualifications and display your writing skills. The university you are applying to might supply a specific topic, such as your greatest accomplishment or challenges you faced and overcame, or you might write a general letter saying why the university should consider your application. Regardless of the topic, the process of writing the letter is the same.

Read the instructions the university supplies for writing the application letter. Make sure you understand the topic or questions you must answer in the letter. According to Purdue University, the most common mistake applicants make is not taking the time to understand what the question is asking. In addition, look at specific writing requirements, such as length and formatting guidelines, and the time line for completing and submitting the letter.

Gather the information you need to complete the letter. Examples of supporting documentation you might find helpful include grade transcripts and a current resume that includes descriptions, names and dates of extracurricular activities, past jobs, internships or volunteer positions you held in the past or currently hold.

Write a few notes to yourself that you can refer to when writing the application letter. Purdue University provides examples of questions to consider that include defining how and why you developed an interest in your intended field of study and an outline of your career goals. Also consider skills and personal characteristics you possess that relate to, and improve your chance for success in your field of study, a description of obstacles you overcame to get where you are now and reasons why the admissions committee should consider your application.

Create an outline for your application letter. According to the University of Toronto, a good application letter is organized, focused and specific. Creating an outline can provide structure for your letter, help you identify the main points your letter will cover and serve as a checklist to ensure you include the supporting documentation required for evidence.

Write a first draft using the format your school requires. According to Indiana University, most application letters and personal statements are between 250 and 500 words and follow a format that includes an introduction, body and conclusion. In the introduction, mention the degree or field of study for which you are applying and include a short personal statement that, for example, describes a family member or experience that influenced your career decision. The body of your letter should address the topic and answer all required questions. The conclusion ties together the information you provided in your letter and restates your interest in the program.

Edit the content and structure of your letter. Start by reading the letter aloud and having another person do the same. Make sure your letter addresses the topic or questions and then spell and grammar check your letter.

Write the final draft and complete another spell and grammar check before you submit it.

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• Berkeley: "Personal Statement"
• Univesity of Toronto: "Effective Admissions Letters"; Margaret Procter

Based in Green Bay, Wisc., Jackie Lohrey has been writing professionally since 2009. In addition to writing web content and training manuals for small business clients and nonprofit organizations, including ERA Realtors and the Bay Area Humane Society, Lohrey also works as a finance data analyst for a global business outsourcing company.

3 Proven University Application Letter Templates

Creating a compelling university application letter involves presenting your qualifications, experiences, and motivations in a structured and engaging way. Here are three unique templates that cater to different styles and focuses:

Template 1: Traditional and Academic-Focused

Subject: Application for [Program Name] at [University Name]

Introduction: Dear [Admissions Committee/Specific Person’s Name],

I am writing to express my enthusiastic application for the [Program Name] at [University Name], a course I believe will profoundly shape my academic pursuits and career trajectory. My interest in [Subject/Area of Study] was sparked by [brief personal anecdote or experience], leading me to a dedicated exploration of this field.

Academic Background:  

Trending Now: Find Out Why!

Throughout my academic journey at [Your High School/College], I have immersed myself in [Relevant Subjects], achieving [mention any honors or recognition]. My coursework in [specific subjects or projects] has not only solidified my knowledge base but also honed my skills in [mention critical skills related to the program].

Research and Projects:  

I have engaged in [describe any relevant research or projects], where I [describe your role and what you learned]. This experience [briefly describe the impact or outcome], underscoring my passion and commitment to [the field or subject].

Career Goals:  

My ambition is to [describe your career goals], a vision I am eager to pursue through the comprehensive curriculum and unique opportunities at [University Name]. I am particularly excited about [mention specific courses, faculty members, research opportunities, or university resources].

Conclusion:  

I am eager to bring my passion, dedication, and academic accomplishments to [University Name], contributing positively to the vibrant academic community. Thank you for considering my application. I look forward to the opportunity to discuss my application in further detail.

Sincerely, [Your Name]

Template 2: Storytelling and Personal Journey Focus

Subject: Application for [Program Name] – Discovering My Path

Introduction:  

Dear [Admissions Committee/Specific Person’s Name],

Imagine a [young age] year-old fascinated by [simple yet relevant experience], unknowingly taking the first step towards a lifelong academic and professional journey. That was me, [Your Name], and this letter outlines my voyage from that initial spark to my fervent desire to join [University Name]’s [Program Name].

Personal Story:  

My journey into [Subject/Area of Study] truly began when [describe a significant personal experience related to the field]. This experience was a crucible, transforming my casual interest into a dedicated passion. Since then, I’ve been on a relentless quest to deepen my understanding and refine my skills in [specific area].

Academic and Personal Growth:  

At [Your High School/College], I embraced opportunities that challenged and expanded my horizons. Whether it was leading [a specific project or club] or diving deep into research on [specific topic], each step was a building block toward a clearer vision of my future. My academic achievements, including [mention any notable accomplishments], are milestones along this path.

Why [University Name]:  

[University Name] stands out as the beacon that can guide me to the next phase of my journey. The program’s emphasis on [mention specific aspects of the program or university that align with your interests] resonates with my educational philosophy and career aspirations. I am particularly drawn to [mention any specific courses, professors, or research opportunities].

Joining [University Name] is not just a goal for me; it’s the next essential step in a journey that began years ago with a simple [refer back to the introductory anecdote]. I am excited about the prospect of contributing to and growing within the [University Name] community.

Warm regards, [Your Name]

Template 3: Innovative and Visionary Focus

Subject: [Your Name]: Aspiring Innovator for [Program Name] at [University Name]

Hello [Admissions Committee/Specific Person’s Name],

In a world where [mention a global challenge or trend related to the field], the need for innovative thinkers and visionary leaders is more critical than ever. I am [Your Name], an aspiring [your desired profession or role] keen on harnessing the power of [specific field or technology] to make a difference. My application to [University Name]’s [Program Name] is driven by this vision.

Innovative Endeavors:  

During my time at [Your High School/College], I didn’t just learn; I sought to innovate. Whether it was developing [a specific innovative project] or pioneering [a new initiative or club], I’ve always looked for ways to push boundaries and challenge the status quo. My project on [specific project] was not just a class assignment; it was a mission to [describe the project’s innovative aspect].

Vision for the Future:  

My goal is to [describe your future vision], and I am convinced that the [Program Name] at [University Name] is where this vision can become a reality. The program’s commitment to [mention aspects of the program that support innovation] aligns perfectly with my ambition to [mention your career goal].

I am particularly excited about [specific resources or opportunities at the university] that I believe will be instrumental in shaping my journey. [University Name]’s environment, renowned for fostering innovation and creativity, is the ideal setting for a [your desired profession or role] like me to thrive.

I am eager to bring my innovative mindset and visionary aspirations to [University Name], where I hope to not just learn, but also contribute to the legacy of innovation that defines the institution. Thank you for considering my application.

Best regards, [Your Name]

These templates are starting points. Personalize them with your specific details, experiences, and aspirations to make your application stand out.

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Home » Letters » Permission Letters » Letter Of Permission To Study While Working – Permission Letter to HR Manager for Study While Working

Letter Of Permission To Study While Working – Permission Letter to HR Manager for Study While Working

Table of Contents:

• Sample Letter

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How to use live assistant, additional template options, download options, share via email, share via whatsapp, copy to clipboard, print letter, permission letter to hr manager for study while working.

From, Human Resource Manager, __________ (Name), __________ (Name of the Company), __________ (Address)

Date: __/__/____ (Date)

To, __________ (Name of the Employee), __________ (Designation)

Subject: Permission to study while working

This letter is in response to the reference number/application number __________ (Reference Number/Application Number). We would like to bring in your kind notice that your application is accepted for study while working at this firm starting from ________ (Date) to ________ (Date).

Kindly make sure that your work at the firm is not compromised. Else our deal will be terminated and you will not be able to study while working. If you have any queries regarding this, please feel free to contact me.

Sincerely, __________ (Signature) __________ (Name), __________ (Designation / Human Resource Manager), __________ (Name of the Company)

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• A: Your application should include details such as the duration of the study period, the reason for studying while working, and any relevant documentation or references.
• A: Yes, specifying the start and end dates of the study period helps in setting clear expectations and ensuring proper planning.
• A: While you may have some flexibility in choosing your course of study, it's advisable to discuss your educational goals with your employer to ensure alignment with company policies and objectives.
• A: If you find that your studies are impacting your work performance, communicate proactively with your employer to discuss potential solutions and adjustments to your workload or study schedule.
• A: Failing to maintain work performance may result in termination of the agreement to study while working, as outlined in the letter of permission. It's essential to prioritize both your work and study commitments to avoid any issues.

Incoming Search Terms:

• employer support letter for further study
• permission letter for higher studies

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Study Approval Letter: 4 Sample Template

You can confirm the approval of the application for higher study requests by the candidate. You can inform about how knowledge is important for everyone and how it can be used as a tool for progress. 

You can justify the cause of approval of his application for higher studies. You can share the expenditure that will be paid by the company for his studies. You can also state how he can actually rejoin after completion.  

Letter Template: 1

[Designation]

[Company name]

[Address] 

Subject: 

Respected Sir/Madam,

I am writing this letter to inform you that your higher study application has been accepted by the management of the company [mention company name]. Now, you can move to pursue your further study. Knowledge is very important in our life and you have made a very good decision to continue your studies. We are very happy to hear about your decision.

We all know you are a very bright employee in our office and you have had a lot of success in your career life. So, we hope you will have a lot more success in your higher study life. As a company policy, the company will pay you [number] of the total yearly expenditure. You will be very happy to know that the company is paying [number] of the cost for your studies.

Please upgrade your skills and rejoin our company. We want you to study hard and learn new things to make our company more profitable. 

Please send your admission letter to our company office for further procedure. We wish you all the very best for your bright future.

[Sender Name]

Download Template : ( pdf, docs, ODT, RTF, txt, HTML, Epub, Etc )

Letter Template: 2

  (Mention the name of the sender)

 (Mention the designation of the sender)

 (Mention the name and details of the institution)

(Mention the detailed address)

(The contact information)

(Name of the Recipient)

(Designation of the recipient)

(Mention the name of the institution)

(Address of the Recipient)

(Contact Information of the Recipient)

Sub: Letter of Approval for Further Study

Dear (Name of the Recipient),

We are very happy to let you know that, your request for leave to study further has been approved by the management of our company (Mention the name and details of the institution)

. Your leave from work will be effective from (Mention the details) for the next (Mention the details) months. Hence, you are now free to study further and pursue your dreams.

 We all know the important and impressive power of good knowledge; therefore we are happy to be able to support you in your decision to study further to enhance your knowledge. We are also very happy to see your willingness to study further.

We all know that you are a dedicated and hard-working employee of our company and we also know that, you will be able to achieve your goal of getting more knowledge with your dedication.

So, we hope that you will be able to successfully complete your studies with good grades and after that, you will join us again. Before you leave, you are instructed to train an intern to complete your tasks for the duration of (Mention the details) months of your studies. You will get (Mention the details) percent of your total salary for your study expenses.

We all wish you the best of luck with your studies and other future endeavors.

Thank you very much.

With regards,

(Name and Signature of the sender)

Letter Template: 3

(Mention the address of the Recipient)

I am writing this letter with much happiness to inform you about the good news that, our institution (Mention the name and details of the institution) has approved your application for getting leave of some months to pursue your further studies. We are happy to inform you that, your leave has been approved for the next (Mention the details) months from the day of (Mention the details).

We all know that you are a very important asset to our school and your vast knowledge has always helped our precious students a lot. Therefore, we are very happy to hear the news that, you want to study further to enhance your knowledge, as we believe that your enhanced knowledge will be able to help and guide our students in a far better way in the future.

Therefore, we wish you the very best for your further studies and hope for your good result as well. You will get (Mention the details) percent of your monthly wages as per your study expenses. 

Hope to work with you again in the future.

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• Schools & departments

Applications and CVs for further study

Advice on applying for further study, including examples of CVs and personal statements.

Most graduates considering further study will be applying for Taught Masters degrees, and this is the focus of this page. If you are thinking of applying for PhD or MRes study see 

Moving on to a PhD

Writing applications for further study is similar to completing job applications. You need to provide evidence that you have the required qualifications, skills, experience and relevant knowledge. You also need to explain why you have chosen the course, for example how it will help you move towards your career goals.  

Personal statement 

A personal statement is a key element of postgraduate applications. Watch our quick guide to help you write a successful statement. 

Prospects: postgraduate study personal statement examples 

Some institutions will ask you to submit a CV in support of your application. Your CV should be tailored to the programme with an emphasis on relevant study and experience. It should demonstrate that you have the skills needed to study at this level - self-motivation, research, persistence and problem solving. 

Examples of CVs for further study 

This article was published on 2024-05-14

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Application process

Applications for further study, introduction.

Application processes for postgraduate study vary by institution. Make sure you give yourself enough time to do your research, understand what's required and prepare the strongest application you can.

What does an application involve?

Applications typically require a personal statement outlining your motivation for undertaking further study as well as details about why you have chosen to apply to a specific programme and institution. You may also be asked to submit a CV and complete an application form. Other evidence, including academic transcripts and references, will be required. If you are applying to several programmes, or to different institutions, you will need to submit separate applications. Planning ahead will enable you to obtain all the documentation needed and will also ensure you can access advice and support in good time.

Personal statements

A personal statement should present your interest and suitability for a chosen programme of study. It’s important to follow the specific guidelines you're given, but the questions below can provide a structure for communicating your motivation and your relevant skills and achievements. If you are applying to more than one university, make sure your application is targeted and includes specific information relating both to the programme and institution.

Think about:

why you want to study this subject If you have previous experience of studying the subject, include details of areas have you have enjoyed and found interesting, where you have excelled academically, and why you wish to deepen or expand your knowledge. If you are applying to a new area of study state what has motivated your interest and what you have already done to gain an understanding of it. 

why you have chosen this specifc course and institution Include details of any specific modules or options that interest you. This could also include opportunities for undertaking team-based projects, placements or exchanges. Highlight any areas of expertise within the department/institution you are applying to. 

how your experience and skills make you a good candidate for the programme Add specific examples which demonstrate your academic ability. These could focus on how you have acquired relevant subject knowledge and developed the skills required for further study, for example research, analysis, and effective time management. Include any academic awards and scholarships. Skills gained through work experience and extra-curricular activities can also provide additional evidence of your suitability for a programme.

where might further study lead you

Include information about how the programme could support your career interests and help you to achieve any longer-term goals. Don’t feel you have to include a detailed career plan if you are still undecided about exactly what you want to do. Further study provides an opportunity to explore options but demonstrating that you are aware of the opportunities that a programme could lead on to will support your application.

CVs for further study

When applying for further study ensure academic achievements are clearly presented on your CV. 

This could include:

details of relevant modules, grades, coursework, projects and dissertation, particularly if a requirement of your programme

any academic prizes or awards you’ve received that highlight your academic achievements 

skills and experience relevant to the processes involved in undertaking further study: data collection, critical analysis, delivering presentations, teamwork and project management all provide evidence of your capacity to learn, reflect, and acquire knowledge

details of any events you have attended, or professional organisations you are member of, in addition to the requirements of your academic programme at LSE can further demonstrate your motivation including conferences, external lectures, professional organisations or special interest groups.

Applications for further study, particularly personal statements, take time to write. Seek feedback from tutors, peers and careers consultants to ensure you are effectively communicating your motivation and skills.

Ensure your personal statement and CV meet any requirements in terms of word count and formatting. For personal statements, if no word count is provided, aim to write two sides of A4 (1000-1500 words).

Use evidence throughout your personal statement and CV. This can take the form of specific awards and achievements and examples taken from your academic, work and extra-curricular experience.

The personal statement and CV provide evidence of your written communication skills. Good spelling and grammar are essential. The documents you submit when applying for further study should demonstrate your capacity to use language in an informative, interesting and professional way.

Help and support

Speaking with your tutor, supervisor or other staff in your academic department at LSE will also provide information which will support you in the application process. 

Gain insights into the experience of further study by talking to current postgraduate students at LSE.

Go to a writing skills one-to-one with an LSE LIFE study adviser.

Related pages

Watch our latest session on applying for further study

Find additional information on further study on prospects, book a one-to-one appointment to discuss your application.

Sample Leave Application format for Further Study

[These sample application for study leave with pay. Teachers, students, and office employees can follow thee formats. You can follow these formats as email letter. You can modify the format as your requirement.]

The Manager (Authority name),

Institute Name…

Institute Address…

Sub: Leave Application for Further Study

Respected Sir,

Higher Education Commission, (Country name) has recently offered free three-month study program of  (Another country name, like France) for the candidates fulfilling the criteria. For government and private servants, it is pre-requisite to get approval from the relevant department.  Sir, I fulfill the criteria of this study program. I believe it is a golden opportunity for me to translate my long cherished dream of studying abroad into the reality.

Sir, I am committed to continuing my services to the department after getting higher education in (Country name). Therefore, I shall be very grateful to you for approving my leave application for the study program.

Thanking you in anticipation.

Yours faithfully,

Job Designation…

Contact no…

Another format, (Email Format)

Leave Application for Further Study

Respected Sir/Madam,

I am working in this company as project manager for last one year. I would like to state that my father lives in (Area and country name). He has called me to (Area name) for further studies there. There are great universities in London which are offering one year MS degree (Education degree name) in Management Sciences (Subject name). Due to which I need leave from my job for one year for further studies in (Country/area name).

Kindly grant me leave for one year. Also let me know if you need any documentation for further processing.

Thank You for your time.

Financial Aid or Education Loan Request Letter by Student

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The clinical utility of whole body vibration: a review of the different types and dosing for application in metabolic diseases.

1. Introduction

3. types of whole body vibration, 3.1. vertical (linear) vibration, 3.2. rotational (pivotal/teeter-totter/oscillating) vibration, 3.3. comparison of vertical and rotational vibration, 3.4. sonic wave vibration, 4. dose of whole body vibration, 4.1. frequency of vibration, 4.2. amplitude of vibration, 5. whole body vibration in metabolic disease, 5.1. use of whole body vibration in osteoporosis, 5.2. use of whole body vibration in overweight and obesity, 5.3. use of whole body vibration in type 2 diabetes, 5.4. use of whole body vibration in metabolic syndrome, 6. conclusions and future directions, author contributions, data availability statement, conflicts of interest.

• Bidonde, J.; Busch, A.J.; van der Spuy, I.; Tupper, S.; Kim, S.Y.; Boden, C. Whole body vibration exercise training for fibromyalgia. Cochrane Database Syst. Rev. 2017 , 9 , Cd011755. [ Google Scholar ] [ CrossRef ] [ PubMed ]
• Johnson, P.K.; Feland, J.B.; Johnson, A.W.; Mack, G.W.; Mitchell, U.H. Effect of whole body vibration on skin blood flow and nitric oxide production. J. Diabetes Sci. Technol. 2014 , 8 , 889–894. [ Google Scholar ] [ CrossRef ] [ PubMed ]
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Simon, A.B.; Bajaj, P.; Samson, J.; Harris, R.A. The Clinical Utility of Whole Body Vibration: A Review of the Different Types and Dosing for Application in Metabolic Diseases. J. Clin. Med. 2024 , 13 , 5249. https://doi.org/10.3390/jcm13175249

Simon AB, Bajaj P, Samson J, Harris RA. The Clinical Utility of Whole Body Vibration: A Review of the Different Types and Dosing for Application in Metabolic Diseases. Journal of Clinical Medicine . 2024; 13(17):5249. https://doi.org/10.3390/jcm13175249

Simon, Abigayle B., Pratima Bajaj, Joe Samson, and Ryan A. Harris. 2024. "The Clinical Utility of Whole Body Vibration: A Review of the Different Types and Dosing for Application in Metabolic Diseases" Journal of Clinical Medicine 13, no. 17: 5249. https://doi.org/10.3390/jcm13175249

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• Open access
• Published: 04 September 2024

Palatal groove associated with periodontal lesions: a systematic review illustrated by a decisional tree for management

• Yvan Gaudex 1 , 2 ,
• Vianney Gandillot 1 , 2 , 7 ,
• Isabelle Fontanille 3 ,
• Philippe Bouchard 1 , 2 ,
• Stephane Kerner 1 , 2 , 4 , 5 &
• Maria Clotilde Carra 1 , 2 , 6  

BMC Oral Health volume  24 , Article number:  1037 ( 2024 ) Cite this article

Metrics details

Palatal groove represents a relatively uncommon developmental root anomaly, usually found on the palatal aspect of maxillary incisors. While its origin is controversial, its presence predisposes to severe periodontal defects.

This study aimed to provide a systematic review of the literature focusing on the varied diagnostic techniques and treatment modalities for periodontal lesions arising from the presence of palatal groove. Based on the existing evidence and knowledge, the study also provides a comprehensive decisional tree, guiding clinicians in the challenging decision-making process face to a palatal groove.

The literature search was conducted on Medline and Cochrane databases by two independent reviewers, who also performed the screening and selection process, looking for English written articles reporting on diagnosis and management (all treatment approaches) of periodontal lesion(s) associated with a palatal groove. Based on this literature, a comprehensive decisional tree, including a standardized palatal groove evaluation and tailored treatment approaches, is proposed. Moreover, a clinical case is described to demonstrate the practical application of the developed decisional tree.

Over a total of 451 articles initially identified, 34 were selected, describing 40 patients with 40 periodontal lesions associated with palatal grooves. The case report illustrates a deep, large, circumferential intra-bony defect on the palatal side of the tooth #22 associated with a shallow, moderately long palatal groove in an 18-year-old male patient. Following reevaluation, a single flap surgery was deemed necessary, combined with a regenerative procedure. At 2 years post-treatment, the tooth #22 is healthy, in a functional and esthetic position. The decision-making process, based on local and systemic patient’s conditions, should allow an early and precise diagnosis to prevent further complications and undertake an adequate treatment.

Palatal grooves are relatively rare; however, they are frequently associated with severe periodontal defects. The identification, diagnosis, prompt, and tailored management of the associated lesion is essential to mitigate potential periodontal and endodontic complications related to the presence of palatal groove.

Systematic Review Registration

[ https://www.crd.york.ac.uk/prospero/ ], identifier [C CRD42022363194].

Peer Review reports

Introduction

Palatal groove (PG) is defined as an anatomic anomaly characterized by the presence of a developmental groove on a dental root that, when present, is usually found on the palatal aspect of maxillary incisors [ 1 ]. Over the years, several terms have been used to describe this anomaly, including palatal or palate-gingival groove [ 2 , 3 ], developmental radicular anomaly [ 4 ], distolingual groove [ 5 ], radicular lingual groove [ 6 , 7 ], palatoradicular groove [ 8 , 9 ], radicular groove [ 10 ], and cinguloradicular groove [ 11 ].

The origin of the PG is controversial, but it is assumed to be related to the infolding of the enamel organ or Hertwig epithelial root sheath during the tooth development [ 12 ]. Additional hypogenetic root formation [ 13 , 14 ] as well as an altered genetic mechanism [ 15 ] have also been suggested.

PG is relatively rare. Everett et al. [ 5 ] reported a prevalence of PG on 2.8% of lateral incisors whereas Withers et al. [ 16 ] observed a PG on 2.3% of maxillary incisors (4.4% of maxillary laterals and 0.28% of maxillary centrals). Kogon et al. [ 8 ] examined 3168 extracted maxillary central and lateral incisors and found PG on 4.6% of them (3.4% of maxillary centrals and 5.6% of maxillary lateral incisors), with over half of the PG extending more than 5 mm apical to the cementoenamel junction leading to a localized periodontal lesion. The most recent study by Mazzi-Chevez et al. [ 17 ] observed 150 maxillary central incisors, lateral incisors, and canines with a micro-CT and found that PG affected 2% of central incisors and 4% of lateral incisors. In 100% of cases, the PG originated in the enamel.

As the term implies, PG is formed around the cingulum of the tooth and continues apically down from the cementoenamel junction, terminating at various depths and length along the root [ 18 ]. In contrast to maxillary bicuspids, incisors generally display a U-shaped groove.

This anatomic anomaly is frequently associated with a breakdown of the periodontal attachment involving the groove; a self-sustaining localized periodontal pocket can develop [ 4 ], where the PG itself provides a site for bacterial accumulation. The subsequent progressive inflammation along the PG and its apical portion may lead to periodontal and endodontic pathologic conditions [ 19 ]. Furthermore, there may be communication between the pulp canal system and the periodontium through the pulp cavity and/or accessory canals, which may also lead to combined endodontic-periodontal lesions [ 20 ]. According to the 2017 classification of periodontal and peri-implant diseases and conditions [ 21 ], PG can be classified as a localized tooth-related factor that modifies or predisposes to plaque-induced gingival diseases/periodontitis [ 22 ], and can be associated with periodontal abscess in non-periodontitis patients.

The prognosis for teeth with PG extending apically is often poor [ 12 ], highlighting the critical need for prompt and accurate diagnosis to avert further periodontal and endodontic complications, ultimately preventing tooth extraction. This study is fundamentally motivated by the scarcity of consolidated guidelines for managing such complex dental conditions. Hence, the objective of this study was to conduct a systematic review of the existing literature, focusing on the diagnosis and management of periodontal lesions linked to PG. Based on this review, the goal was to develop a comprehensive decisional tree, thereby proposing a standardized treatment protocol to aid in the clinical decision-making. This study also includes a clinical case report to demonstrate the practical application of the developed decisional tree, reinforcing its clinical relevance and utility.

Material and methods

Development of the systematic review protocol.

A protocol covering all aspects of the systematic review methodology was developed before starting the review. The protocol included the definition of: a focused question; the literature search strategy; the study selection criteria; the outcome measures; the screening methods; the data extraction; and the data synthesis. The protocol was registered in PROSPERO (CRD42022363194).

Defining the focused question

The research question was formulated according to the PICOS (Population, Intervention, Comparison, Outcome, Study) strategy, which identify the search and selection criteria as follows:

P: Patients with periodontal lesion(s) associated with a PG

I: PG identification (diagnosis) and management. All treatment approaches (non-surgical, surgical, with or without the adjunctive use of potentially regenerative materials, i.e. barrier membranes, grafting materials, growth factors/proteins and combinations thereof) were considered.

C: alternative treatment approach or no comparison.

O: periodontal parameters, including clinical attachment level (CAL, measure in mm), probing pocket depth (PPD, measured in mm), recession (REC, measured in mm), plaque index (PI, any validated clinical score), bleeding on probing (BOP) or other inflammatory indexes, radiographic bone loss.

S: Any type of human studies including case reports, with a minimum of 6 weeks follow-up after treatment. Only studies published in English were considered. Studies written in languages other than English, review articles, cell and/or animal studies, letters, editorials, conference summaries, commentaries, and studies considering PG with only an endodontic involvement or that used self-report assessment of treatment outcomes were not considered.

So, the focused question was formulated as follows: what is the efficacy of treatments for periodontal lesions associated with PG?

Search strategy

The literature was searched for articles published up to June 2022 on MEDLINE and Cochrane databases. Multiple combinations of pertinent search terms were employed (Supplemental Table 1). The reference lists of the included studies were also evaluated in order to identify additional articles. To ensure its reproducibility, the PRISMA guidelines were followed [ 23 ], and the PRISMA flowchart was filled [ 24 ] (Fig.  1 ).

PRISMA flow diagram on the selection process of the studies included in the systematic review

Literature screening and data extraction

The titles and abstracts of the initially identified studies were screened by two independent reviewers (Y.G. and V.G.). Then, the pre-selected studies underwent a full text evaluation to assess the final inclusion or not. All records for which inclusion was obtained “uncertain” for on reviewer, disagreement was solved by discussion between authors. Whenever needed, the authors of the selected studies were contacted to provide missing data.

Study screening and selection was carried out by using the Rayyan online software [ 25 ], which assisted the reviewers in the different step of the literature review process. Duplicate references were removed automatically using Mendeley software. Data extraction was carried out on a dedicated excel spreadsheet. The risk of bias assessment was carried out by using the Joanna Briggs Institute (JBI) scale [ 26 , 27 ].

The literature search resulted in 451 potentially relevant publications (Fig.  1 ). After the first selection step, based upon the title and abstract, 88 articles were pre-selected. After full-text evaluation, 34 articles were included and analyzed. All of them were case series and case reports. A total of 40 patients were described, of which 23 women (57.5%). The characteristics of the selected studies are presented in Table  1 . Their quality assessment is reported in Table  2 .

Qualitative synthesis of the literature

Among those 40 clinical cases, 12 cases report failed to provide a clinical description of the PG. Four studies described the PG depth alone, 17 studies described the PG length alone, and 7 studies provided a combined description of depth and length of the PG. From a periodontal point of view, the periodontal lesion morphology was correctly described (depth and width) in only 4 cases, 2 of which also reported the number of bony walls. Among the 22 cases reporting a diagnosis, 17 (77.3%) described combined endo-periodontal lesions, whereas 5 were purely periodontal lesions.

Endodontic involvement was present in 29 cases: 22 cases presented with a pulp necrosis, and 7 cases with an endodontic treatment. Pulp vitality was present in 10 cases and 1 case failed to report the endodontic status.

The endodontic treatment consisted in either a temporary filling (calcium hydroxide) later replaced by a definitive filling (gutta percha), or directly with a definitive filling (gutta percha) when indicated. Among those 29 endodontically treated teeth, 9 underwent an apicoectomy (using mineral trioxyde aggregate) at the surgical phase.

PG sealing was performed in 16 cases using mainly glass-ionomer cement but also mineral trioxide aggregate (MTA), tricalcium silicate cement, composite flow and amalgam. In 5 cases, an extra-oral filling of the groove was performed before the tooth reimplantation. In all cases, radiculoplasty was performed either for groove removal when it was shallow or by saucerization to allow a proper filling when grooves were deep.

To treat the PG associated periodontal defect, several different intervention types were described, using: allogenic bone, xenogeneic bone, alloplastic materials, barriers, growth factors and biological factors (and combinations thereof). These surgical regenerative procedures were reported in 25 cases. Only 2 cases [ 3 , 40 ], justified the use of biomaterials and flap designs in relation to the analysis of the associated periodontal lesion after PG management.

All cases reported clinical healing except for 2 cases of failures following tooth reimplantation due to external root resorption leading to tooth removal after 36 months [ 33 ] and 2 failures after 6 months following a surgery without regeneration or root filling [ 29 ]. The case with the longest follow-up (324 months) indicated that following an endodontic treatment with a periodontal regeneration and an orthodontic treatment, a recurrent periodontal breakdown occurred 11 years, leading to tooth extraction and implant placement [ 35 ].

Case-report

We describe the case of an 18-year-old male patient referred to the periodontics department of the Rothschild Hospital (AP-HP) in Paris. Written informed consent was obtained for the publication of clinical data and images included in this article. The patient was experiencing pain due to the inflammation on the palatal side of tooth #22 with intermittent suppuration. The clinical examination revealed a central, shallow, and of moderate length (up to 70% of the root length) PG on the tooth #22, with a probing pocket depth of 12 mm on the palatal side associated with a tooth mobility 3 (Mühlemann 1951). The tooth responded positively to electrical test. At the radiographic evaluation, bone loss could be noted mesially and distally of #22 (Fig.  2 ).

Case report. Clinical and radiographical initial situation of the tooth #22 presenting with a palatal groove. The periodontal charting showed deep periodontal pockets on the palatal probing sites associated with bleeding and plaque accumulation

A slight bony bridge could be distinguished between #21 and #22 in the coronal portion. Thus, a localized periodontal defect due to the presence of subgingival PG was diagnosed.

The periodontal treatment first consisted in a non-surgical debridement performed in one session. Tooth splinting was performed from #21 to #23 to minimize mobility (Fig.  3 ).

Root planning and flattening of PG on tooth #22: initial occlusal view of #22 ( a ); Manual scaling 22 ( b ); flattening of PG 22 in the coronal part ( c )

At the re-evaluation 8 weeks later, the tooth presented no superficial inflammation, but a persistent periodontal pocket of 12 mm deep on the palatal side. Surgery was indicated due to the presence of a large, deep, 3-wall intra-bony defect around tooth #22 (Fig.  4 ).

Regenerative therapy: view at the periodontal re-evaluation, 2-months after the initial treatment ( a ); large and deep 3-walls intra-bony defect ( b ); application of EMD ( c ); application of DBBM (soft tissue support, osteoconductive) ( d ); sutures ( e ); radiographic image at the 2-month follow-up ( f )

A SFA (Single Flap Approach) was designed with a surgical access limited on the palatal side for esthetic reason and optimal visualization. A full periosteal flap was raised, and the granulation tissue was removed. The aberrant local anatomy was corrected up to the most apical part and a regenerative procedure combining enamel matrix derivates with a bone substitute was applied to avoid soft tissue shrinkage and collapse. Sutures with a non-resorbable monofilament 6/0 were made using U-crossed and single points. A postoperative radiograph was taken (Fig.  4 f). An antibiotic therapy with amoxicillin (1 g twice a day for 7 days) was administered. Paracetamol was prescribed as a painkiller and a mouthwash containing 0.12% chlorhexidine gluconate were prescribed for 2 weeks postoperatively. Healing was uneventful and sutures were removed 10 days postoperatively.

At the 6 months reevaluation, the periodontal pocket was no deeper than 4 mm on the palatal side with no bleeding on probing. A recession of 1 mm was observed. Radiographically, a mineralized tissue could be observed up to both bony peaks mesially and distally to #22 (Fig.  5 ).

Re-evaluation at 6 months ( a ); 18 months ( b ) and 30 months ( c )

At the 1-year follow-up, periodontal health was maintained and an orthodontic treatment was undertaken. After 2 years of treatment, tooth #22 is still healthy with a CAL gain of 7 mm, a functional and esthetic position resulting in the patient’s satisfaction. These results support that periodontal regeneration can be effectively carried out also for deep intra-bony defect associated with PG, once the local risk factor has been adequately managed.

The results of the present systematic review indicate that PG are relatively uncommon root anomaly, but they are frequently associated with periodontal lesion that require treatment. The selected studies showed that PG can be managed concomitantly with periodontal regeneration, with or without associated endodontic treatment. It must be noted that the presence of a PG may play a significant role in exacerbating periodontal lesions. This could be explained, at least partly, by the mediation role of inflammatory factors like the TGF-B1, which is involved in the regulation of the inflammatory response and in the remodeling of periodontal tissues, as highlighted by recent studies [ 58 , 59 ]. These findings necessitate a nuanced and well-defined diagnostic and therapeutic approach, which should consider not only on the anatomical challenges linked to the presence of a PG but also on the underlying inflammatory mechanisms, in order to ensure an effective treatment and prevent potential endodontic complications.

A variety of treatments approaches has been described in case reports and case series and summarized in the present review. The appreciation of the morphology and origin of PG on maxillary incisors may be challenging and thus delay the diagnosis and treatment planning. Therefore, developing a standardized approach based on the available literature is advisable.

A PG can be classified according to its location, length along the root, and depth of the groove towards the pulp cavity [ 60 ]. The analysis of the associated periodontal lesion is also a key parameter to consider. Based on the work of Kim et al. [ 60 ], a simplified version including the groove description and the periodontal parameters has been suggested. Such a classification (Table  3 ) would provide the clinician with precise criteria to justify the therapeutic approach.

Groove location was disregarded in most cases, only one case [ 40 ] reported a distal location of the PG. It can be explained by the fact that this parameter will not affect the prognosis or the treatment sequence. In the latest study done on extracted teeth, PG appeared to originate in the distal area of the cingulum margin in most cases (65%), followed by the central fossa (25%), and the mesial area of the cingulum margin (10%) [ 61 ].

In terms of depth, only 7 cases reported a shallow PG (50%) and 7 cases reported a deep PG (50%) and no closed tube has been described. This finding is in accordance with Kogon’s study [ 8 ] where 44% percent of the PG were described as shallow depressions, 42% as deep depressions, and 4% as closed tubes.

Considering the groove length, 4 cases reported an extension in the cervical third of the groove (17%), 6 in the middle third (25%) and 14 cases in the apical third (58%). According to Pinheiro’s study [ 61 ], those grooves extended rarely only to the cervical third (5%), followed by the middle thirds (45%) and the apical thirds of the root in most cases (50%). It is of paramount importance for clinicians to understand the combination of both variations of groove depth along with their length to adapt an adequate treatment considering the fact that PG with deeper grooves and greater degree of extension are the determinants and predictors of poor prognosis periodontally and endodontically wise [ 5 , 31 , 42 ].

Considering the groove description in the selected studies, most of them failed to adequately report it. Only 7 of the 40 cases described the depth and length of the PG. This lack of analysis might result in an inadequate treatment highlighting the need for a classification.

Considering the periodontal approach of the associated intra-bony defect, the selection of the regenerative biologic principle (or material) to use with the soft tissue surgical approach dependeds on the morphology of the intra- bony defect (width, depth, and number of residual bony walls) and on the amount (and quality) of the soft tissues available to cover it [ 62 ]. As a general rule, deep and wide defects with only one residual bony wall require a mechanical stabilizer of the blood coagulum (membrane and/or bone filler), whereas in defects with lower defect angles and a greater number of bony walls, biologic mediators of the healing process (e.g. enamel matrix derivates) are indicated [ 62 ]. In the present study, only 2 cases [ 3 , 40 ] succeeded in justifying the use of their regenerative procedure based on the description and analysis of the associated intra-bony lesion. As for PG anatomy, this lack of description of the associated periodontal lesion morphology could mislead the diagnosis and result in a non-optimal treatment. The PG issue had mostly been a concern for endodontist based on those case reports coming from endodontic journals, which might explain the few periodontal parameters reported and the lack of a clear description of the intra-bony defect associated to justify the different management of the periodontal defect. Moreover, the selected case reports do not cover all potentially applicable regenerative techniques, which continue to evolve [ 63 , 64 , 65 ] and should be further investigated in the particular context, from the microbiological and inflammatory perspectives, of PG-associate lesions.

Based on the presented literature review and in order to guide clinicians towards a comprehensive and complete evaluation of PG associated lesion, we suggested a decisional tree (Fig.  6 ) that introduces the periodontal parameter in the PG assessment, after evaluating the endodontic status. Indeed, the successful management of a tooth with a PG is firstly dependent on endodontic status, which should be systematically assessed. In cases of negative pulp response and periapical lesions, an endodontic treatment has to be undertaken in the first place [ 66 ]. But, the periodontal evaluation is also cardinal to obtain a successful and long-lasting management of PG.

Decisional tree. This graph proposes a decision-making process for the management of PG-associated lesions that takes into account the endodontic status, the characteristics of the palatal groove, and the presence of intra-bony defect

The recognition and management of PG for tooth survival has been reported in details in a study done by Kim et al. [ 60 ] in 2017. In the rest of the considered literature, half of the treatments described were made without a clear initial diagnosis or proper description of the associated lesions to justify the type of regenerative strategy and flap design approached. Another interesting observation made in this review is that in the case of intentional replantation, among the 5 reported cases, 2 resulted in a failure necessitating the tooth removal [ 33 ]. This suggests that replantation strategy should be used as a the latest resort for complex cases involving a PG to the apex with a deep groove.

It must be acknowledged that the available literature and thus the present systematic review present several limitations. Firstly, as mentioned above, there is a lack of standardization in the diagnostic and treatment processes, with a high heterogeneity among the selected articles, most of the times case reports or case series. Secondly, the follow-up time was mostly set between 6 and 24 months, which may be too short to assess treatment outcomes or observed complications and relapse. Indeed, after a 36 months follow-up, failures have been reported [ 33 ] and after 10 years, a periodontal breakdown occurred on a treated tooth [ 35 ] and both resulted in the tooth removal. No re-entry surgery and/or histologic evaluations were described and no prospective longitudinal studies evaluating the stability of the clinical and radiographic parameters and the absence of the recurrence of disease were found. Thus, any conclusion about the success achieved with the treatments described in the present review should be drawn with caution as the long-term prognosis of the treatment of PG-associated lesions of teeth remains to be determined. Updates of case series and case reports that could describe results after 5, 10 and 15 years from the initial PG diagnosis are advocated. Finally, the level of the body of evidence on PG is considered as low. Although the nature of PG as rare condition may explain why mainly case reports or case series are published, future clinical and comparative studies should be designed to investigate PG management and treatment success at long term. Nonetheless, based on the currently available literature, a decisional tree (Fig.  6 ) has been proposed to guide clinicians and create a reference for PG management to respond to a patient’s health condition. This should be periodontally updated as new evidence emerges but in the meantime, it can be useful to provide a clinical guidance as well as a model for the standardization of the diagnostic and treatment processes in clinical cases dealing with PG management.

Teeth with PG represent a challenge for clinicians. Despite their rarity (2% of maxillary lateral incisors), the complexities associated with PG, such as diverse anatomical features and clinical scenarios, underscore the necessity for accurate diagnosis and tailored treatment approaches. This study provides a systematic review of pertinent literature, consisting mainly in case reports, and culminates in the proposal of a decision tree, which aims to assist clinicians in the decision-making process through a structured evaluation of the PG characteristics guiding the treatment approach. The ultimate goal is to mitigate potential periodontal and endodontic complications of PG while providing a successful management. In parallel, the present study highlights the need of future research on this topic, particularly with clinical studies with a sufficiently long follow-up to monitor the treatment outcomes and their stability over time. Indeed, further evidence is needed to develop standardized diagnostic and treatment protocols for PG.

Availability of data and materials

The datasets used and/or analysed during the current study available from the corresponding author on reasonable request.

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Service of Odontology, Rothschild Hospital (AP-HP), 5 Rue Santerre, Paris, 75012, France

Yvan Gaudex, Vianney Gandillot, Philippe Bouchard, Stephane Kerner & Maria Clotilde Carra

Department of Periodontology, UFR of Odontology, Université Paris Cité, 5 Rue Garanciere, Paris, 75006, France

Service of Odontology, CH Eure Seine Hospital, Evreux, France

Isabelle Fontanille

Cordeliers Research Centre, Laboratory of Molecular Oral Physiopathology, Paris, France

Stephane Kerner

Department of Periodontology, Loma Linda University School of Dentistry, Loma Linda, CA, USA

INSERM- Sorbonne Paris Cité Epidemiology and Statistics Research Centre, Paris, France

Maria Clotilde Carra

Institution Nationale Des Invalides, Paris, France

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Y.G. and V.G. drafted the manuscript text, and were involved in the literature review, data acquisition, analysis, and interpretation. Y.G. and V.G. prepared Tables 1 and 2 . Y.G., P.B. and I.F. Contributed the case report and Figs.  2 , 3 , 4 and 5 M.C.C and S.K. prepared Table  3 and Fig.  6 . M.C.C., P.B. and S.K revised the draft of the manuscript and contributed to the general criticism. All authors reviewed and approved the manuscript.

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Gaudex, Y., Gandillot, V., Fontanille, I. et al. Palatal groove associated with periodontal lesions: a systematic review illustrated by a decisional tree for management. BMC Oral Health 24 , 1037 (2024). https://doi.org/10.1186/s12903-024-04771-z

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DOI : https://doi.org/10.1186/s12903-024-04771-z

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