Providing Excellent Pediatric, Orthodontic and General Dentistry in Derry NH

At Haas Dental Derry we are unique in that we have a multi-specialist practice.  We are here to meet your dental needs from infant to adulthood

Pediatric Dentistry 

If you are looking for an experienced and qualified pediatric dentist in Derry, Haas Dental Associates is the place to go. We provide top-tier dental care from infanthood to adolescence and young adulthood, so no matter the age or needs of your child, our dentists can help. We strive to create an environment that is welcoming and relaxing to help ease your child’s worries.

Our aim is to educate families about the importance of healthy dental habits and concentrate on providing expert preventative dental care for children and teens throughout Derry and surrounding areas.

We specialize in:

  • Pediatric oral examinations, cleanings and restorative needs
  • Pediatric sedation dentistry: We understand that visiting the dentist can be stressful for children, so we offer a variety of safe and effective sedation solutions. Dr. Haas and Dr. Trontz are among a small group of pediatric dentists in the area that hold a permit to sedate children.
  • Infant oral care: Our team will perform a quick but thorough “well baby check-up”– an examination to ensure the growth, health, and development of your baby’s teeth, gums, and jaw is free of any early problems.

Orthodontics in Derry 

If you or your child are searching for a beautiful and aligned smile, we have the resources you need. From Invisalign treatments and full-fixed braces to arch development and crossbite correction, we have the advanced orthodontic treatments needed to keep patients smiling confidently. 

General and Cosmetic Dentistry 

Dr. Zweig is committed to providing the best and most advanced care for his patients with kindness and compassion.  Dentistry is an ever-changing field, and it is important to him to keep up to date with the latest advances in denistry.  Dr. Zweig offers multiple restorative and cosmetic solutions to keep you smiling for a lifetime. 

Dr. Jim Haas, DDS Practice Owner, Pediatric Dentistry
Dr. Amanda Kramer, DMD Practice Owner, Orthodontic Dentistry, Pediatric Orthodontics
Dr. Milton Zweig, DDS General Dentistry
Dr. Kristine Trontz, DDS Pediatric Dentistry
Dr. Brian Sullivan, DMD General Dentistry
Dr. Julia Geaumont, DMD Pediatric Dentistry
Dr. F.W.Hugo Ma, DMD Pediatric Dentistry


4 Manchester Avenue
Derry, NH 03038
Phone: (603) 434-1586

Office Hours:

Monday 8:00am to 5:00pm
Tuesday 8:00am to 5:00pm
Wednesday 8:00am to 5:00pm
Thursday 8:00am to 5:00pm
Friday 8:00am to 3:30pm

Orthodontist Hours:

Monday 8:00am to 4:30pm
Tuesday 8:00am to 4:30pm
Wednesday 8:00am to 4:30pm
Thursday 8:00am to 4:30pm
Friday closed


Summer Office Hours for all departments:
July 1st - August 31st

Monday 7:30am to 3:00pm
Tuesday 7:30am to 3:00pm
Wednesday 7:30am to 3:00pm
Thursday 7:30am to 3:00pm
Friday 7:30am to 3:00pm


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Derry Dover Nashau