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

eight 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

April 12, 2018

Summer 2018 Photo Days

SAY CHEESE!  Professional photographer, Brenda De Los Santos of Brenda De Los Santos Photography will be available for 5-10 minute complimentary photo sessions throughout the spring and summer- no appointment necessary! Photos from the session are professionally edited and sent to each patient at home. Digital files will also be available to download for personal use.  Mark your calendars […]

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January 25, 2018

March Madness Bracket Pool

OASECT is hosting a March Madness bracket pool for patients of our practice and their immediate family members.  Only one entry per person.  The individual with the highest final score will win a $150 gift card to Dick’s Sporting Goods! Make sure to get your bracket(s) in before the pick deadline (March 15, 2018 at […]

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January 23, 2018

2018 Scout Contest

It’s that time again! In support of our local Girl Scout and Boy Scout groups, Orthodontic Associates of Southeastern Connecticut is holding our annual contest to help with fundraising efforts! This year’s theme is ‘DO A GOOD TURN DAILY’. In your own words, please tell us WHAT IT MEANS TO YOU TO DO A GOOD […]

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