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Our practice

Amazing team of pediatric dentists and orthodontists 

At The Pediatric Dental Group , we take pride in our dedicated and experienced pediatric dentists and orthodontists. Our dedicated doctors are honored to serve the communities of Milford, Franklin, Northborough, and the surrounding areas with exceptional pediatric and orthodontic dental care.


Dr. Norma Herrera

Pediatric dentist, DDS

Dr. Norma Herrera received her Bachelor’s degree from the University of California, Berkeley. She then went on to study Public Health at San Diego State University prior to graduating from the Howard University School of Dental Medicine. Next, she completed a General Practice Residency, followed by a Pediatric Dental Residency, at the Boston University Goldman School of Dental Medicine.

Dr. Herrera is a pediatric dentist with over ten years of experience in treating children ranging from infancy to young adulthood. She is dedicated to establishing a trusting and long-term relationship with both patients and their families, to ensure they are receiving oral health guidance and appropriate treatment early on.

In addition, Dr. Herrera speaks Spanish and enjoys practicing Portuguese. Favorite hobbies and pastimes of hers include being outdoors, reading, traveling and lifting weights. Furthermore, she also enjoys watching the Animal Channel, dancing salsa and working on her cooking skills.


Dr. Parneet Heer

Pediatric dentist, DMD

Dr. Parneet Heer received her Bachelor of Dental Surgery from Guru Nanak Dev Dental College, Sunam in Punjab, India and was a recipient of the Colgate Indian Dental Association Scholarship. In addition, she was awarded first place in paper presentation. She then went on to obtain her Doctor of Dental Medicine from the Boston University Henry M. Goldman School of Dental Medicine in Boston, MA. 

Dr. Parneet Heer has always cherished and discovered great purpose in working with children of all ages. As a Pediatric Dentist, her most precious moments happen when she can connect with every patient, earn their confidence, and make them feel relaxed so that going to the dentist becomes a positive experience. Her goal is for every young patient to leave healthier and more confident than when they came in.

Dr. Ourania Vitsas

Orthodontist, DMD

Dr. Ourania Vitsas received her Bachelor of Science degree in Biology from Suffolk University in 2008. She continued her education at Tufts University School of Dental Medicine where she obtained a Doctor of Dental Medicine (DMD) degree in 2015 and a Certificate in Orthodontics in 2022.

In her free time, Dr. Vitsas enjoys spending time with her husband, Taso and son, Leo. She also loves to experience new restaurants and become immersed in different cultures.


Dr. Daeun Hur

Orthodontist, DMD

Dr. Daeun Hur received her Bachelor of Science degree in Biology from New York University in 2014. She continued her education at NYU where she obtained a Doctor of Dental Surgery (DDS) degree in 2018 and a certificate in Advanced Education in General Dentistry in 2019. After receiving her AEGD certificate, she began the Advanced Education Program in Orthodontics and Dentofacial Orthopedics at NYU, completing the program in 2022.

In her free time, Dr. Hur enjoys relaxing through mind and body healing activities, such as pilates and reading. She also loves to travel and explore the scenery and cuisine of new countries and cities. Dr. Hur also likes to try new experiences such as art, music, and stage performances.

Dr. Tabitha Lewis

General dentist, DMD

Dr. Tabitha Lewis received a Bachelor of Science degree from Alabama State University in Montgomery, Alabama, in 2015. In 2019, she graduated from Tufts University School of Dental Medicine in Boston, Massachusetts, where she obtained a Doctor of Dental Medicine (DMD) degree.


As a child, Dr. Lewis experienced living in multiple areas, including Ohio, Alabama, New York, the U.S Virgin Islands and Massachusetts. This provided her with the opportunity to explore new and different places, as well as offer new opportunities and treasured experiences. When Dr. Lewis was 14, her own pediatric dentist inspired her to pursue a career in dentistry. Also, as a child, she observed her parents foster children and devote their lives to uplifting others. As a result, Dr. Lewis was taught to exemplify values of gentleness, integrity, compassion, service, hope, generosity, kindness, and humbleness. She enjoys spending quality time with loved ones, volunteering, crocheting , trying new cuisines, and fencing.


Dr. Anna Komnatnaya

General dentist, DMD

Dr. Anna Komnatnaya received Bachelor degrees in Science and Commerce from Concordia University in Montreal, Canada in 2011. In 2016, she graduated from Boston University’s Henry M. Goldman School of Dental Medicine with a Doctor of Dental Medicine (DMD) degree.


In her free time, Dr. Komnatnaya enjoys spending time with her family and being outdoors. She loves to bike, play tennis, hike through New Hampshire and Vermont, and explore coastal Massachusetts towns. Dr. Komnatnaya also likes to cook, garden, and do yoga.

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