Meet Our Team

Our Office

Insight, experience and dedication to quality patient care are the hallmarks of our multi-specialty dental team. Our focus is on cosmetic dentistry services, such as dental implants and dental veneers, but we also offer general dentistry and orthodontics. Our general dentists and specialists have received their training from many of the nation’s prestigious educational and dental institutions. It’s our doctors’ skilled combination of art and science that has made Dental Partners of Brookline one of New England’s most respected cosmetic dental practices for more than 35 years. As a group dental practice, we offer everything from preventive care and general dentistry to sophisticated dental reconstructions.

Meet the Dentists

Ryan D Blissett, DMD, MMSc
Prosthodontics & Implant Prosthodontics

Dr. Blissett is a graduate of the Harvard School of Dental Medicine, where he was awarded a Doctorate of Dental Medicine degree with honors and received the American College of Dentists Outstanding Leader Award for exemplary ethics and professionalism. Subsequently, he received a Master of Medical Science degree from Harvard Medical School and a certificate of advanced graduate study in prosthodontics from Harvard School of Dental Medicine. The faculty awarded him the prestigious Joseph L. Henry Award, an honor given to one resident at Harvard each year. This commendation recognizes the resident who demonstrates exceptional clinical and research skills and makes noteworthy contributions to the university. He graduated with honors from Michigan State University with a Bachelor of Science degree in Human Biology.

Dr. Blissett currently holds a part-time academic appointment at the Harvard School of Dental Medicine, where he lectures and provides clinical instruction to both pre-doctoral students and post-doctoral residents in the prosthodontics department. He has expertise in all phases of prosthetic dentistry, with a particular interest in complete oral rehabilitation, esthetic dentistry, and dentures.


Jessica K. Hsieh, DDS, MDSc
Prosthodontics & Implant Prosthodontics

Dr. Jessica Hsieh joins Dental Partners of Brookline as a talented and recognized prosthodontist who has received extensive training and experience in complex full-mouth rehabilitation and esthetic dentistry. Dr. Hsieh received her Doctor of Dental Surgery degree from the University of California Los Angeles School of Dentistry, where she graduated with honors. She then attended the University of Connecticut School of Dental Medicine, where she obtained her Advanced Prosthodontics training and continued to develop her passion for treating complex esthetic reconstructions and complex surgical and implant retained cases. 

During her training, Dr. Hsieh achieved a Masters in Dental Science and Surgical Certificate in Implant Placement, Bone Augmentation & Pre-prosthetic Surgery. Her research interests are in modifications in new ceramics to make them stronger and longer-lasting for patients. She currently holds a part-time faculty position at Harvard University in the Advanced Prosthodontics department. 

Dr. Hsieh is a specialist in treating and replacing missing teeth and jaw structures. Whether the treatment entails fillings, crowns, and bridges to implants, dentures, or full-mouth reconstructions, she strives to design treatment based on each person’s unique functional and esthetic needs. She is passionate about esthetics and giving her patients the smiles they desire. 

In her free time, Dr. Hsieh enjoys photography, cooking, ballroom dancing, reading, and spending time exploring the outdoors with her husband.


Gabriel Boustani, DMD
Periodontics & Implantology

Dr. Gabriel Boustani has been in Private Practice since 2006. After receiving his Doctor of Dental Surgery Diploma from the University of Saint Joseph dental school in 2000, he  attended Boston University Goldman School of Dental Medicine, earning his Doctorate of Dental Medicine degree graduating with honors, his Certificate of Advanced Graduate Study in Periodontology, as well as a Masters of Science in Oral Biology. 

In 2008, Dr. Boustani became a Diplomate of the American Board of Periodontology, a designation appointed to those who make significant achievements beyond the mandatory educational requirements of the specialty.

Dr. Boustani’s practice is limited to Periodontics, which focuses on the diagnosis, prevention, and treatment of periodontal disease as well as implant dentistry.   In the past few years, Dr Boustani’s interests in the lasted surgical techniques have resulted in him taking extensive continuing education in the US and around the world; he has spent a considerable amount of time implementing the newest techniques in Digital and 3D guided implant surgery  as well as the latests innovations in periodontal regeneration. 

His professional affiliations include memberships in the American Dental Association, the Massachusetts Dental Association, the American Academy of Periodontology.  

Dr Boustani currently resides in Newton with his wife and two young boys. He is an avid Snowboarder and enjoys hicking , and scuba diving. 


Zena Al-Adeeb, DMD, CAGS

Zena Al-Adeeb received her doctor of medical dentistry (DMD) degree in 2003 from Boston University, where she graduated with honors. She further completed her certificate in Endodontics from Boston University in 2006.
Dr. Al-Adeeb stays current on technological advances in Endodontics, including the latest techniques in instrumention, use of surgical operating microscopy, digital radiography and 3D imaging. Her treatment philosophy is to listen and prioritize patients’ needs.

Dr. Al-Adeeb is a member of the American Association of Endodontics (AAE), Massachusetts Association of Endodontics (MAE), Massachusetts Dental Society (MDS), and American Dental Association (ADA).


Iman S. Labib, DMD, CAGS, MSD.

Dr. Iman S. Labib has been in private practice since 1989. She graduated from Boston University School of Graduate Dentistry in 1996 after receiving her Higher Dental Diploma in Endodontics and Restorative Dentistry from Cairo University School of Dental Medicine in 1989. In 2001, Dr. Labib received her Certificate of Advanced Graduate Studies in Endodontics from Boston University School of Graduate Dentistry. Additionally, she received her Master of Science degree in Dentistry from Boston University School of Graduate Dentistry

She is currently a clinical instructor in the Department of Endodontics at Boston University School of Graduate Dentistry on both the undergraduate and postdoctoral levels.


Yael Frydman, DMD

Dr. Yael Frydman has been in private practice since 1998. She completed her orthodontic specialty program at Maimonides University, Argentina and her DMD Advanced Standing Program at Boston University Goldman School of Dental Medicine. The National Dental Honor Society awarded Dr. Frydman the Omicron Kappa Upsilon Award, a prestigious honor given to those doctors who have demonstrated scholarship, character, and the potential promise for advancement of dentistry and service to humanity.

Along with being a practitioner at Dental Partners of Brookline, Dr. Frydman is currently a Clinical Assistant Professor at Boston University School of Dental Medicine. She is currently a member of the American Dental Association, the Massachusetts Dental Society, Omicron Kappa Upsilon Society, Pierre Fouchard Academy and the World Federation of Orthodontists. Dr. Yael Frydman is a Premiere Preferred Invisalign provider. She is also fluent in both Spanish and Hebrew.

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Sean M. Langton, DMD
General Dentistry

A native of Massachusetts, Dr. Sean Langton earned his Doctorate of Dental Medicine (cum laude) from the Boston University School of Dental Medicine and upon graduating received the Award for Clinical Excellence in Geriatric Medicine through Boston University’s Department of General Dentistry.

As a conservative dentist, Dr. Langton exhibits his passion for bio-aesthetic dentistry by helping patients achieve beauty and function with their smiles. He stays current with any treatment or technological advancements in dentistry by actively participating in dental seminars and continuing education courses.

In addition to private practice, Dr. Langton works closely with the GLO Good Foundation and Lenny Kravitz’s Let Love Rule Foundation to provide much needed oral health care, tools, and education to underserved populations throughout Eleuthera, Bahamas.

Dr. Langton is licensed to practice Dentistry in the Commonwealth of Massachusetts and New Hampshire and maintains professional affiliations with the American Dental Association, Massachusetts Dental Society and the American Academy of Cosmetic Dentistry.

Our Staff Members