Our Dentists

Dr. Maria Kritsineli DMD

Dr. Maria Kritsineli is Board Certified by the American Board of Pediatric Dentistry and member of the Massachusetts Dental Society and the American Academy of Pediatric Dentistry.

Dr. Kritsineli received the Certificate in Pediatric Dentistry from Tufts University School of Dental Medicine and her dental degrees from Aristotle University in Greece and Tufts University.

Dr. Kritsineli is an Assistant Clinical Professor in the Department of Pediatric Dentistry at Tufts University and she also serves as the director of dental programs of the Lexington Cotting School and Nashoba Learning Group. She has published articles in multiple professional journals and has a research interest in caries prevalence. 

Dr. Karissa Koster DMD

Dr. Karissa Koster completed her dental degree at Tufts University School of Dental Medicine where she fell in love with Pediatric Dentistry.  She spent her free time during Dental School volunteering at Bridge Over Troubled Waters, a safe haven for homeless and troubled teens who needed dental care.  

Dr. Koster then went on to become Chief Resident at her Pediatric Dental Residency at The Lutheran Medical Center in Holyoke, MA where she learned just how rewarding this profession can be.  

Dr. Koster is a member of the American Dental Association and the American Academy of Pediatric Dentistry.  Outside of working her dream job, Dr. Koster loves to spend time with family and friends, explore new places with her husband and find fun new ways to work out.