Dr. Michael H. Chow, Dr. Denise Chow, Dr. John Diune and Dr. Bridget Ko

Accepting most insurances including MassHealth and NH Medicaid

Exceptional Orthodontic and Pediatric Dental Care in 
New Hampshire and the Merrimack Valley
We're here for your family – from the first baby tooth to when braces come off - and beyond!

Comprehensive Pediatric Dentistry

Our pediatric dentists, Dr. Chow & Dr. Diune focus on creating a positive dental experience, ensuring your child's comfort and care during every visit.  

Specialized Orthodontic Treatments

From traditional braces to advanced clear aligners, Drs. Chow and Dr. Ko offer various orthodontic solutions to create beautiful smiles for all ages- from children, teens and adults.

Exceptional Endodontic Services for Children

Our endodontist, Dr. Diune specializes in root canal treatment for children, as he is dual specialized in Pediatric Dentistry and Endodontics.  

Your Trusted Pediatric Dental and Orthodontic Specialists in Nashua, New Hampshire, Methuen, Massachusetts and surrounding communities for over 40 years.

Comprehensive Dental Care for Children of All Ages

Welcome to Southern New Hampshire Orthodontics and Children's Dentistry! We are a family team consisting of pediatric dentists, an endodontist, and three orthodontists!  As specialists we have invested additional training beyond dental school to ensure high-quality care in a friendly environment. We would love to meet you!  

Directions

to 2 convenient locations in Nashua, New Hampshire and Methuen, Massachusetts

 

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Contact us

Telephone: +1-978-689-9777

E-mail: methuenoffice@gmail.com | nashuaoffice@gmail.com

Address: 49 Lawrence Street, Methuen, MA 01844 and 305 Main Street, Nashua NH 03060

Pediatric Dentistry, Orthodontics and Community events

All of our patients are like family to us.  We strive to provide the best experience possible for every child.

©Copyright Southern New Hampshire Orthodontics. All rights reserved 2025.

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