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Our practice

keystone dental arts building exterior

Keystone Dental Arts is a patient-centered practice. Dr. Roberts and our staff take care to be respectful, mindful and responsive to individual patient preferences and needs to ensure that patient values guide all clinical decisions.

We offer adult & child general dentistry services with specialization in restorative & cosmetic dentistry: bonding, bridges, crowns, dentures, Invisalign®, dental implants, veneers, & teeth whitening.

We are currently accepting new patients. We invite you to read our patient reviews and Discover the KDA Experience.


From the Spaulding Turnpike (Route 16) North or South, take Somersworth, NH Exit 9 and turn right of the ramp to merge onto Indian Brook Rd. Follow Indian Brook Rd (approx. 03 mi) to Route 108. At light, turn left onto Route 108 toward Rochester; Keystone Dental Arts is 2.4 miles North on Route 108. Our building is on the right.

Dr. Ian Roberts

Dr. Ian Roberts received his Bachelor of Science degree from the University of Northern Colorado, and his Doctor of Dental Surgery degree from the University of Colorado (Go Buffs!).  He is a member of the American Dental Association (ADA) and the New Hampshire Dental Society.  Dr. Roberts participates in many hours of continuing education; he is a member of Spear continuing education and Great Bay Dental Studies group.

Dr. Roberts was born in Nashua, NH and later moved to Ashby, MA where he spent most of his childhood.  After high school, he served our country in the United States Marine Corps.  Dr Roberts met his wife Carissa while on leave from training and have been inseparable ever since.  After marrying, he relocated to Colorado to attend college and receive his dental degree. During his time in Colorado, he and his wife welcomed a son, Ben.  With how important family is to Dr Roberts, he and his family moved back to the area, a return to his NH roots.  In 2018, the Roberts family grew with the arrival of a baby girl, Zoe.  Dr Roberts enjoys spending time with his family, skiing, hiking, road/mountain biking, motorcycling, sailing, and flying in his spare time.

Favorites: Food – homemade mac ‘n cheese | Music – folk | Movie – Forrest Gump | Dream Travel Destination – New Zealand

Dr. Ashley Mullaney

A native of New Hampshire, Dr. Mullaney received her Bachelor of Arts degree from UNH. She earned her Doctor of Dental Medicine degree from Tufts University School of Dental Medicine and was Vice President of her class.

After dental school, Dr. Mullaney gained valuable experience at the University of Vermont Medical Center. During her General Practice Residency, she responded to emergency calls for the hospital and treated patients with dental trauma. 

Prior to attending Tufts, Dr. Mullaney achieved her Masters of Science in Toxicology at Colorado State University.

Dr. Mullaney is a member of the American Dental Association, New Hampshire Dental Society, the Academy of General Dentistry, and the American Academy of Cosmetic Dentistry.

In her free time, Dr. Mullaney enjoys spending time with family and friends, running, hiking and, playing ice hockey.  She is excited to be working here in Somersworth and serving her local community.

Favorites: Food – “Nina’s” (grandmother) macaroni and cheese | Music – John Mayer | Movie – The Princess Bride | Dream Travel Destination – Greece





Dental Hygienists


Cindy Houghton
Jessika Lake
Kathy Sartorius

Dental Assistants

Jeane Sample
Amber Hatch
Robin Phillips

Office Staff

Maureen Turmelle
Diane Glover