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Business Details
We are a dedicated team of dental professionals committed to providing optimal care for our patients in Commack and Dix Hills. Our practice was founded in 1997 by Doctor Bonnie Helfner, who is deeply rooted in the Commack community. We prioritize building lasting relationships through a patient-focused approach and a foundation of trust. Our team possesses specialized skills in preventive, restorative and cosmetic dentistry to meet diverse oral health needs. We maintain high professional standards to ensure every visit is smooth and comfortable. Our problem-solving capabilities extend to emergency dental situations, providing urgent care when patients need it most.

We are committed to the highest quality of clinical excellence and patient satisfaction. Our experienced clinicians work diligently to help every patient achieve a healthy and confident smile. We believe in transparency and clear communication throughout every treatment plan. Our longstanding operational history demonstrates our reliability and commitment to the local community. We strive to exceed expectations by delivering a dental experience that is both professional and empathetic.
Highlights and features
  • Our practice has served the community since 1997.
  • We provide dedicated emergency dental response services.
  • Our team accepts Aetna, Guardian, and Cigna insurance.
  • We offer a robust catalog of comprehensive dental services.
  • Our clinicians prioritize a patient-focused, comfortable approach.
Services
Dental Implants
We provide professional dental implant services to restore missing teeth and improve oral function. This reconstructive solution is ideal for adults seeking a permanent and stable alternative to dentures. Patients benefit from increased confidence and the ability to maintain a natural-looking, healthy smile.
Cosmetic Dentistry
Our cosmetic dentistry services include porcelain veneers and professional teeth whitening treatments. We target patients who wish to enhance the aesthetic appearance of their teeth and smile. These treatments provide a significant boost in self-esteem and a polished, radiant facial appearance.
Preventive Care
We offer comprehensive dental exams and professional teeth cleanings for patients of all ages. This essential service focuses on early detection of issues and the maintenance of gum health. Our patients benefit from long-term oral wellness and the prevention of costly future procedures.
General Dentistry
Our general dentistry services encompass a wide range of essential oral health treatments for the community. We serve families needing routine maintenance, fillings, and overall dental health management. This ensures that every patient receives dependable, high-quality care to maintain a functional smile.
Emergency Dentistry
We provide urgent dental care to resolve unexpected oral injuries or sudden tooth pain. This service is designed for patients facing critical dental crises that require immediate professional intervention. Clients benefit from rapid response times and effective solutions to alleviate pain quickly.
Reviews (7)
Shann S.
Jan 31, 2022 Report
Dr. Helfner's office is the best! I am a college student and was coming home for a break when I started having a toothache. I only had one day to take care of the problem, because my family was going away on a trip. The office staff was amazing! They were able to fit me in and give me a last minute appointment on the day I came home from college. I saw Dr. Bihary in the office for the first time.

She was really great! She was very thorough and took care of my tooth before I went out of town. Thank you so much to the office staff at Dr. Helfner's office! I really feel like they cared and took the time to make sure I was seen before I went away with my family.
Tomarra Smith
Jan 24, 2022 Report
The doctors and staff are always amazing at Dr. Bonnie Helfner's Office! We had an experience recently where my daughter was coming home from college. We had one day and then our family was taking a trip for a week. My daughter was experiencing some issues with one of her teeth, and we had limited time to see someone before going out of town. Dr. Helfner's staff was amazing, very sympathetic to our situation, and extremely accommodating under the circumstances!

On the day my daughter drove home from college, Dr. Helfner's staff was able to schedule her right in to be seen during one of their later appointments of the day. My daughter saw Dr. Bihary who was new to her, and she absolutely loved this dentist! It was a very positive experience! Dr. Bihary was able to take care of the issue with my daughters tooth very quickly! It was such a relief to be able to get my daughter in to the dentist before our trip! I greatly credit and appreciate Dr. Helfner's staff for doing this! Always a great experience at Dr. Helfner's Office!
Kristy M.
Dec 25, 2021 Report
Always have a great experience at this office! The dentists and hygienists, as well as the entire staff work so hard to make everyone feel comfortable. This means a lot coming from me since I used to be afraid of the dentist, but not since I've been coming here. I've recommended many friends here who have also been so happy. I'll never go anywhere else!
Sarah Lewandowski
Dec 24, 2021 Report
I suppose I'm a little bias since I am one of the hygienists here. However. I can't say enough about this place. I have worked in a lot of different offices and this by far is the most up to date, cleanest, well run offices I have ever worked in. Everyone strives to make the patients feel as comfortable as possible. It is so amazing working with people I love and have come to think of as family. Helen and Lindsey and I are amazing Hygienists. And all of the Doctors are top notch. Dr. Curro recently did a crown for me. My first one. I was so nervous, but it is perfect. I can't even tell I have one.
Anthony Marinelli
Dec 23, 2021 Report
Amazing experience! From the moment I stepped through the door the staff gave me a warm welcome and put me at ease. All the doctors are the utmost professional. They explain everything so you always know what to expect. The hygienists are great. Very knowledgeable. The coordination and organization of this office is top notch.
Marie A. Wallach
Dec 21, 2021 Report
This dentist office has always been top-notch! I've been a client of Dr. HELFNER for more than 20 years. ALL the dentists on the hygienists are all the best. Of course just like everyone, I have my favorites however, when the appointment I need doesn't coincide with my favorite, my experience has always still been nothing less than wonderful.
Seth Barcus
Dec 20, 2021 Report
This review that I write. A little different than most. Poetic, but real in every way. About a wonderful place As crazy as it sounds One that deals with tooth decay. A friendly staff Is an understatement here I promise, they're all sweet as can be. They do all that they can To make sure you're doing well Relax, I promise, you'll see. From the time you walk in To the time that you leave They care, really, they do.

It's a super clean office Everyone wearing masks Truly a superhero crew! So if it's a cavity you have Annual checkup or cleaning Or bigger issues like me. See Dr. Bonnie in Commack And be confident in knowing This is the best dental place to be. So thankful for their work Myself, wife and kids And the experience every time. Happy holidays to all Especially, Helfner's heroes Hope you all enjoyed this review rhyme!