Our Team

Dentists Specialists Patient Coordinators


Dental Assistant Hygienists Office Managers


We have a collection of dentists, specialists, hygienists, dental assistants, patient coordinators, and office managers who give you the personalized care you need every step of the way. CITIDental Tremont prides itself in creating a supportive environment where those who come to us for reliable dental care can receive effective, innovative oral health treatments all under one roof.

A Variety of Dental Services from Multiple Disciplines

We offer a variety of restorative and preventative dental accommodations and a well-versed team in general dental procedures with who possess a flare for cosmetic dentistry. We create smiles that give our patients new self-confidence. That’s why we love what we do here.

Too Many Certifications and Distinctions to Mention

Our dentists and specialists are a diverse bunch — some members of the American Dental Association and Massachusetts Dental Society. We house members of the American Academy of Facial Aesthetics and the American Academy of General Dentistry as well.

We provide state-of-the-art treatments, featuring Invisalign® certified providers and practitioners who’ve studied the diagnosis and treatment of TMJ at prestigious schools. We have Hanau Excellence in Prosthodontics Award winners, “Best of the Best Award” winners, and CEREC trained specialists.

Dental Education Doesn’t Stop — For Our Patients or For Us

We continue to hone our craft. CITIDental Tremont is a strong believer in continuing education and bestowing valuable knowledge to our patients that will help them achieve new levels of oral health. We also continue to advance our knowledge in the ever changing field of dentistry.

Call Today to Schedule an Office Visit

We perform care with utmost consideration for patient comfort, providing amenities and ambiance, taking a compassionate and gentle approach to our work.

Our office is established and maintained by the finest team of individuals, the best dentists and oral health professionals in Tremont, MA. Our team commits itself to treating patients using the highest standards, both in technology and patient care, every single day.

We encourage our patients make informed decisions when it comes to their dental health. Browse our informational materials throughout our interactive website to learn more about advanced oral health techniques, DIY oral health care, and our specialized treatments and procedures that go hand in hand with crafting a winning smile.

Contact CITIDental Tremont today to schedule your initial consultation. Whether you’re in need of a routine check-up, teeth whitening, or a complete smile makeover, we offer a variety effective treatments under one roof.

Dental Assistant, Hygienists, Executive Team


An An, DMD

Dr. AnDr. An completed her Bachelor’s degree in Biomedical Engineering at the University of Rochester. She further pursued her education and obtained a Master’s degree in Biochemical Sciences (MBS) as well as a degree in Doctorate of Dental Medicine (DMD) from the Tufts University School of Dental Medicine. Currently, she is a member in both the American Dental Association and the Massachusetts Dental Society. Dr. An is fluent in Mandarin, Cantonese, and English.

Dr. An’s patient-centered approach involves engaging in open conversations and encouraging questions from her patients. She ensures that her patients are well-informed and actively involved in the decision-making process, discussing all available treatment options with a strong emphasis on comprehensive patient care. Dr. An’s patient philosophy is “be gentle, be kind, and be knowledgeable”, and wants her patients to feel motivated after their discussions, working together through the treatment process.

Outside of her dental practice, Dr. An loves spoiling her adorable Pomeranian and indulging in hobbies like cooking, baking, and hiking. She also holds a huge collection of Harry Potter Funko Pops!



Dr. Hidetada Moroi

Hidetada Moroi, D.M.D. – Boston Specialist in Periodontics

Dr. Moroi developed his dental credentials after graduating from Tufts University of Dental Medicine as part of the class of 1990. He went on to receive his Certificate in Advanced Education Program in Periodontology from the same school. He is also part of the team at 3I, Implant Innovations, Inc. located in Palm Beach Gardens, Florida. He performs a range of periodontal and implant surgeries for Boston dentists of CITIDental. He is also contributed to various articles and publications in dental trade journals and seminars.

Colleen Shea, D.M.D, D.M.Sc. – Boston Specialist in Periodontics

Dr. Shea

Based out of the Harvard School of Dental Medicine, Dr. Shea graduated as part of the 1997 class and received her Doctorate of Dental Medicine, a Certificate for Graduate Training in Periodontology, and a Doctorate of Medical Sciences in Oral Biology in 2001. During the completion of her post-doctoral studies, she received the highly regarded Dentist Scientist Award from National Institutes of Health. Her experience lead her to conducting research on bone metabolism at Boston’s Children’s Hospital and the Department of Orthopaedics at Boston University. She is board-certified, a Diplomate of the American Board of Periodontology. In addition, she is a member of the ADA, MDS, and AAP.

Dr. Shea specializes in all aspects of periodontal treatment, including scaling and root planing, gingival grafts, periodontal surgery, and dental implants. She is passionate about educating her patients on the importance of periodontal health.

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