Innovating Beautiful Smiles with Braces and Invisalign since 1958

Your smile is our inspiration

Our top priority is providing you the highest quality of orthodontic care in a friendly, comfortable environment! We utilize the latest technological advances in orthodontics, including The Damon System self-ligating brackets – braces that can significantly shorten your treatment time – and Invisalign for a bracket free, virtually invisible way to straighten your teeth. By combining these with our advanced imaging systems, we ensure that you receive the best care possible.

About Us

eleven years running

Top Docs

Dr. O’Leary and Dr. Hack have been voted Top Orthodontists in CT by their peers in Connecticut Magazine every year since 2008.

Meet the Doctors

What's Happening

July 26, 2021

OASECT Summer Smile 2021 Contest

We’re giving away  2 kayaks, 2 paddleboards and 2 pairs of Red Sox tickets in our newest contest! Here’s how to enter and win!   STEP 1: GRAB A PAIR OF OASECT SUNGLASSES AT OUR WATERFORD OR NORWICH LOCATION, NO APPOINTMENT IS NEEDED! STEP 2: TAKE A PICTURE OF YOU, A FRIEND, OR FAMILY MEMBER […]

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July 26, 2021

2021 Patient Appreciation Event: Ice Cream Social

We LOVE our patients and their families and we truly believe that we have the BEST patients around! We’re especially appreciative and grateful for your trust, patience and ongoing confidence in us over the past 18 months, as we’ve navigated some challenging times. Things may look a little different in our offices, but we have […]

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March 04, 2021

March 2021 Update & COVID Travel Reminder

March 4, 2021 Greetings to all patients, parents, and friends of OASECT! Spring is in the air, and we’re all looking forward to getting the season of COVID-19 behind us.  We are SO APPRECIATIVE for the ongoing support, confidence, and understanding that so many of our patient families have shown us over this most trying […]

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