
Endodontist – Attleboro, MA
Meet Dr. Rebecca Tsai

Rebecca Tsai, DMD, MMSc, is an endodontist who prioritizes comfort and clear communication at every visit. Trained at the Harvard School of Dental Medicine, she approaches root canal therapy and other endodontic care with precision and a calm, patient-first mindset. Her dedication to evidence-based dentistry and ongoing professional development makes her a trusted clinician in the community.
Education & Training
Dr. Tsai earned a Bachelor of Science in Integrative Biology from the University of California, Berkeley (2015). She completed her Doctor of Dental Medicine at Harvard School of Dental Medicine in 2020, followed by a specialty residency in endodontics at Harvard, where she also received a Master of Medical Sciences in Oral Biology (2023). During her training, she contributed to research, presented at professional meetings, and was recognized with the Leon Dogon Research Award.
Professional memberships:
- American Dental Association
- American Association of Endodontists
- Massachusetts Dental Society
Clinical Focus
With advanced specialty training, Dr. Tsai treats routine and complex endodontic cases, including nonsurgical root canal therapy, retreatment, and microsurgical procedures. She leverages modern diagnostic and treatment technologies to improve accuracy, efficiency, and outcomes—always with an emphasis on patient comfort and understanding.
Beyond the Operatory
Outside of work, Dr. Tsai enjoys the outdoors, often hiking or rock climbing, and tends to a growing collection of plants in her garden. She’s also an avid coffee enthusiast who loves exploring new brewing methods and flavors.