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About Us:

OUR COMMITMENT TO YOU

In the dental profession, as in most sciences, dramatic changes occur almost weekly as new techniques and methods are developed. Our team here in Amherst, NH is committed to keeping you abreast of the progress in current dental techniques with the highest degree of professional skill and ability. With dedicated staff members, we work hard to answer questions fully and care gently for your dental needs. We take pride in the high standards that we set.

WELCOME TO PONEMAH CROSSING DENTAL, P.C.

A warm and caring atmosphere along with high quality dental care combines to set Ponemah Crossing Dental, P.C. apart from all others. Located at Ponemah Crossing, the junction of Routes 101A and 122 in Amherst, our dental office is within easy access for all Souhegan Valley patients. Our practice has proudly provided care to our community for over 40 years. Recent renovations and digital technology allow our professional staff to offer patients high quality comprehensive dental care.

OUR MISSION

We strive to provide state of the art dental therapy which produces the finest dental health and improves the quality of life of our patients in a caring and trusting atmosphere. We treat patients in such a way that they will encourage their relatives and friends to visit our office.

Testimonials

Listen to what our patients have to say

Kristina N.


Dr Leighton is very friendly and thorough. He makes sure all my questions are answered and also spent time explaining how a recent diagnosis will affect my dental health. I used to have a lot of dental anxiety, but since I’ve started seeing Dr Leighton I actually look forward to going to the dentist

Cammie O.


Going to Drs. Clark and Leighton office is a serene experience from start to finish. The front desk staff is welcoming and efficient and I never had to wait more than 5 minutes in the 10+ years I’ve been going. Dr Leighton is easy going and easy to talk to. The hygienists are super nice. The billing staff/managers are personable and give you all the info up front about costs for fillings etc. – so no surprises.

Cary H.


Dr.Leighton is very knowledgeable and explains things in a way I can easily understand. He presents options and allows me to take part in the decisions about treatment. Everyone in the office is very helpful and caring. I have complete confidence that I am receiving the best possible care.

May B.


I am always greeted with a smile and a caring attitude. Everyone is completely professional while being considerate of my questions and needs. Work done is gentle as possible and most satisfactory. I love going to my hygienist. She has my complete trust and appreciation for her services.

Laura K.


I’ve been coming to Clark & Leighton for at least five years now. I even drive about 45 minutes to get to my appointments. My hygienist is really great – my teeth look great and feel great when she’s done. Dr. Leighton is personable, and doesn’t waste your time recommending expensive procedures that you don’t need. Try them – you’ll be really glad you did.

Latest News

It’s a BOY!

It’s a BOY!

Join us in congratulating Dr. Valerie Pereira on the birth of her first child, Zander. He was born on February 27th weighing 6 lbs. 15 oz. and 19-1/2". Dr. Pereira is back in the office and has resumed her regular schedule after enjoying some time...

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Stuffed Animal Giveaway Returns

Stuffed Animal Giveaway Returns

It is with great excitement that we are announcing the return of our stuffed animal giveaway starting at the end of May. At Ponemah Crossing Dental, P.C., we understand and appreciate that, for a child, a visit to the dentist whether it's the first...

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40th Annual NE Charity Trail Ride

40th Annual NE Charity Trail Ride

The New England Classic Charity Trail Ride benefits the Cystic Fibrosis Foundation and is sponsored by the Merrimack Valley Trail Riders. Due to the Covid pandemic the ride has not taken place since 2019. Since 1980, this ride has donated over Two...

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