The Hamptons’ Premier Orthodontic Practice.
Experience bespoke, board-certified orthodontic care tailored for children, teens, and adults in the heart of Southampton. With Dr. Michelle Cartier, you receive dedicated doctor attention and the highest standard of boutique, family-focused care at every single visit.

Dr. Michelle Cartier, DDS, CAGS
ABO Certified"I personally plan and oversee every adjustment so your results are precise, comfortable, and beautiful."
Why Hamptons Families Trust Dr. Michelle Cartier
Boutique, high-touch orthodontic care combining premier clinical credentials with a warm, family-centered atmosphere.
American Board of OrthodonticsHealthgrades Verified DoctorBoutique, Family-Centered Orthodontics in Southampton & The Hamptons
When you choose Cartier Orthodontics, you receive the premier clinical expertise of an ABO Board Certified specialist paired with the personalized warmth of a dedicated boutique practice.
Same Doctor, Every Single Visit
Your smile is never passed off to rotating junior associates. Dr. Michelle Cartier personally examines, plans, and oversees your care at every appointment.
100% Certified Dental Assistant Staff
Every member of our clinical team is a Certified Dental Assistant, ensuring the highest echelon of clinical expertise, safety, and attentive patient comfort.
Premier Hamptons Convenience
Our flagship Southampton office is situated right next to the Hampton Jitney for effortless travel, complemented by our Wainscott location.
American Board of Orthodontics Certified
Held by only 1 in 3 orthodontists nationwide. Dr. Cartier brings over 30 years of board-certified precision and bespoke aesthetic design to every smile.
Flexible 0% Financing & Insurance Accepted
We accept most major dental insurance policies (covering 25–50% of care) and offer interest-free monthly payment plans tailored to your family.
Boutique, Family-Oriented Atmosphere
A warm, welcoming environment catering to young children, teens, adults, and individuals with special needs with utmost patience and gentleness.

Book your complimentary consultation today and lock in your $500 Promotional Savings.
Claim $500 Voucher & Book NowAdvanced Treatment Options for Every Smile & Age
Whether you want invisible aligners, aesthetic ceramic braces, or whole-health airway care, Dr. Cartier designs a bespoke plan built on 30+ years of board certified precision.
Invisalign® Clear Aligners
A series of custom, virtually invisible trays that gently straighten your teeth. Removable for meals, photos, and brushing, giving you maximum freedom without metal brackets.

- 100% Removable for eating, sports & events
- Smooth, comfortable medical-grade SmartTrack plastic
- Average treatment time: 6 to 18 months
- Includes Free Professional Whitening with $500 Offer
Clear Ceramic Braces
Crafted from translucent ceramic material that blends seamlessly with your natural tooth shade. Provides the strong corrective power of braces with minimal visual impact.

- Translucent ceramic brackets blend with teeth
- Stain-resistant and smooth against lips and cheeks
- Ideal for complex alignments needing subtle appearance
- Eligible for $500 Off & 0% flexible payment plans
Traditional Metal Braces
High-grade stainless steel brackets engineered for optimum comfort and accuracy. A proven, durable solution for kids, teens, and adults with fun color tie options.

- Modern low-profile brackets for maximum comfort
- Fun customizable color bands for kids and teens
- Most cost-effective solution for all orthodontic corrections
- Eligible for $500 Off & low monthly payments
Airway & Pediatric Orthodontics
Addressing how jaw and palate development affects breathing, snoring, restless sleep, and overall wellness. Dr. Cartier collaborates directly with an onsite ENT specialist.

- Early evaluation recommended by age 7 by AAO
- Treats mouth breathing, snoring & restless sleep
- Gentle palate expansion to guide natural jaw growth
- Comprehensive whole-health approach unique in the Hamptons
Before & After Transformations
Authentic smile transformations personally planned and treated by Board Certified Orthodontist Dr. Michelle Cartier in Southampton & Wainscott.



Over 30 Years of Radiant Hamptons Smiles
Dr. Cartier and her dedicated team of Certified Dental Assistants treat every patient like family throughout Southampton, Wainscott, Bridgehampton, and East Hampton.



Hear From Families We’ve Treated in the Hamptons
Real experiences from pediatric and adult patients treated by Board Certified Orthodontist Dr. Michelle Cartier.

"Dr. Cartier Makes Every Visit Gentle, Fun & Comfortable!"
Watch our young patients and their parents share what makes orthodontic treatment at Cartier Orthodontics a truly calm, enjoyable, and confidence-building journey.
"Results are truly amazing on both my children"
"Dr. Cartier is a well qualified and passionate Orthodontist. She has attended top schools and is Board Certified, which few Orthodontists are. Being Board Certified indicates a willingness to go the extra mile to stay on top of all the latest procedures. Though education is very important, so is being committed to being the best that you can be in your field, and Dr. Cartier demonstrates this. Dr. Cartier has worked on both my children and the results are truly amazing. Dr. Cartier is clearly one of the most qualified and caring orthodontists, and I highly recommend her."
"No other orthodontist was even mentioned"
"As an adult I found myself needing braces. I inquired with friends to find a good orthodontist, and I received consistently positive recommendations for Dr. Michelle Cartier... in fact no other orthodontist was even mentioned. I scheduled a (free) consultation with her, after which I felt completely confident that she could correct the problems I was having. The results were fantastic. I am very happy I did it. The atmosphere of Dr. Cartier’s office is personable yet professional, and her effervescent personality made my orthodontic experience actually enjoyable. Since that time she has seen both of my children and given them beautiful smiles too."
"Her individualized focus & attention to detail"
"Dr. Michelle Cartier is approachable, passionate, and professional. Her individualized focus, attention to detail, and willingness to be available for questions or concerns have consistently characterized her style throughout my treatment. Dr. Cartier is a consummate professional, thorough in every regard and quick to reach out for collaboration with other professionals concerning my care when needed. Additionally, she is an absolute delight. Her positive and upbeat manner coupled with her skill has made my orthodontic journey both joyful and successful."

Dr. Michelle Cartier, DDS, CAGS
Dr. Michelle Cartier is a Board Certified Orthodontist who has been delivering exceptional smiles throughout Southampton, Wainscott, and the greater Hamptons for over three decades.
She earned her dental degree from Georgetown University School of Dentistry (graduating Magna Cum Laude) and completed her postdoctoral orthodontic specialty training (CAGS) at Boston University. Her clinical team consists entirely of Certified Dental Assistants, ensuring patient safety, comfort, and clinical precision at every step.
Dr. Cartier has built her Southampton practice on an unwavering commitment to personalized continuity: you see Dr. Cartier personally at every single appointment in a calm, boutique environment.
Frequently Asked Questions
Have questions about costs, insurance, or treatments? Here is everything you need to know.
Our friendly team is here to help you understand your insurance benefits and schedule your free visit.
Visit Us in Southampton or Wainscott
Our flagship Southampton office is located right next to the Hampton Jitney for utmost convenience, with our Wainscott office serving East Hampton and surrounding areas.
Main Office · Right Next to Hampton Jitney
365 County Rd 39A, Suite 6
Southampton, NY 11968
Convenient East Hampton Location
384 Montauk Highway, #4
Wainscott, NY 11975
Ready for the Confident Smile You Deserve?
Claim your $500 Promotional Savings toward braces or Invisalign, plus free teeth whitening and your complimentary exam with Board Certified Orthodontist Dr. Michelle Cartier.
Schedule Your Free Consultation
Lock in your $500 promotional credit + complimentary exam & digital scan.
