New location in  Nashua  call to schedule.
Here to
Have Your Smile
Take Flight

Your First Visit

Why Choose Us

Patient Forms

Meet the Doctors

Dr. Jim Haas

Dr. Amanda Kramer

Dr. Milton Zweig

Dr. Kristine Trontz

Dr. Brian Sullivan

Dr. Julia Geaumont

Dr. F.W. Hugo Ma

Welcome to Haas Dental Associates

It is our mission at Haas Dental Associates to provide exceptional care with kindness and compassion. Our aim is to educate families about the importance of healthy dental habits and concentrate on providing expert preventive dental care for children, teens, and adults throughout the Derry, Dover, and Nashua communities.

Dr. Jim Haas, Dr. Amanda Kramer, Dr. Milton Zweig, Dr. Kristine Trontz, Dr. Brian Sullivan, Dr. Julia Geaumont, and Dr. F.W. Hugo Ma work together to deliver personalized dental treatments for each and every one of our patients. From routine cleanings and preventive care to cosmetic dentistry and orthodontics, our dental professionals can do it all.

Our dentists are experts in their fields and have decades of experience creating healthy smiles. We are committed to putting you and your family’s needs first—developing personalized treatment plans for your specific needs. We proudly serve generations of patients and look forward to welcoming you to the Haas Dental family.

Meet Our Comfort Dogs!

We understand that visiting the dentist can be stressful, but our comfort dogs are here to help! Ellie, Willow, and Holly are a calming presence and know when patients need a little extra TLC.
Learn More about the comfort dogs at our office
Our Newest Team Doggo
Bri with Ellie

Derry Offers the Following Services:





Dover & Nashua are
Pediatric-Only Offices

Our Reviews

“Highly recommend. Every person I had interactions with was so nice & everyone was so kind & patient with my two little ones. Will always recommend to family & friends & huge thank you to Betty, their therapy dog, that my son ADORED!!!!” -Katie B.
“You guys are amazing and so good with my Grandsons. They felt so comfortable there, and did I. I have been telling everyone I know about the Dover location and highly recommend it. You guys rock. The big plus for my boys is a theater and therapy dogs, oh my!” -Darlene M.
“My kiddo had to have some dental work done; they were patient and understanding. They were so gentle he didn't even know they gave him novocaine! And the comfort dogs in the house were a treat. Highly recommended and forever grateful for such a great team!” -Shelby B.
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Derry Dover Nashau