Meet Our Orthodontists

JING GUO, DMD

Dr. Jing Guo is an esteemed orthodontic specialist with a passion for crafting beautiful, functional, and healthy smiles. She cherishes being a part of her patients’ orthodontic journeys, witnessing their transformations and the blossoming of their confidence.

Dr. Guo earned her Doctorate of Dental Medicine from Boston University Goldman School of Dental Medicine and a Master’s degree in Orthodontics from the University of Detroit Mercy. Her academic excellence was recognized with the Dean Spencer N. Frankl Award, and she was honored by induction into the Omicron Kappa Upsilon National Dental Honor Society.

Board-certified by the American Board of Orthodontics, Dr. Guo is an active member of the American Dental Association, the Massachusetts Dental Society, and the American Association of Orthodontists. She has been delivering expert orthodontic care in Massachusetts for over half a decade.

Beyond her professional endeavors, Dr. Guo is committed to community service. She has volunteered at numerous local dental events for children and women, including Countdown to Kindergarten and Rosie’s Place Health Fair.

Residing with her husband, two children, and their beloved golden retriever, Dr. Guo enjoys yoga, rock climbing, and quality family time.

SAHAR ABTAHI, DMD

Dr. Sahar Abtahi is a Board-Certified Orthodontist and esteemed professor committed to crafting beautiful smiles and delivering an exceptional chair-side experience. With over a decade of clinical expertise, she brings both skill and compassion to every patient encounter.

She earned her Doctor of Dental Medicine from Boston University, where she also completed a residency in Advanced Education in General Dentistry. Following several years in private practice, Dr. Abtahi pursued her passion for orthodontics—completing a three-year specialty program and earning her Master of Science in Orthodontics from the University of Alberta.

A staunch advocate of evidence-based care, Dr. Abtahi has published extensively in peer-reviewed journals, particularly in the area of pediatric sleep-disordered breathing. She has also served as a professor in the Department of Orthodontics at the University of Alberta, sharing her knowledge and mentoring future orthodontists.

Dr. Abtahi is deeply committed to her patients, partnering with each individual to help them achieve their desired outcomes. She also believes in giving back and has volunteered with organizations such as Cape Cares, providing free dental services to underserved communities.

Outside of her professional life, Dr. Abtahi enjoys writing, traveling, and spending time with her husband and two children.

ASHIRA GENDELMAN, DMD

Dr. Ashira Gendelman is a board-certified specialist in orthodontics for adults and children. A native of Lexington, MA, Dr. Gendelman graduated with honors from Wellesley College with a degree in Biology before earning her DMD from the Harvard School of Dental Medicine. She then completed her postdoctoral specialty training in orthodontics at Harvard School of Dental Medicine, as well as a Master of Medical Sciences at Harvard Medical School.

During her 7 years at Harvard, Dr. Gendelman was awarded for clinical distinction, published several peer-reviewed research articles, and received extensive training in dentistry and orthodontics.

Dr. Gendelman focuses on using state-of-the-art technologies and techniques to deliver optimal aesthetic and functional results. She is committed to providing her patients with the highest quality orthodontic care and is honored to have been awarded “Best of Boston” every year since entering private practice. She is a diplomate of the American Board of Orthodontics, as well as a member of the Harvard Odontological Society and the American Association of Orthodontists.

Outside the office, Dr. Gendelman enjoys studio art, hiking, traveling, and spending time with family and friends. She lives here in Newton with her husband and their three young children.