Leonard E. Sealy, DDS
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Welcome to our Rockville Centre, Long Island practice where integrity, comfort, and personalized service is the core of our dentistry. We strive to provide excellent service in a personable and comfortable environment. You will feel right at home when you enter our office. Relax in the ultra supple leather dental chair while Dr. Sealy enhances your smile in an unrivaled ambiance with state-of-the-art technology.

Dr. Sealy, a preferred Invisalign dental provider, specializes in general and cosmetic dentistry, orthodontics, veneers and bleaching. The Digital X-rays used in this practice provides 90% reduction in radiation. Each operatory is equipped with flat screen monitors for your movie choice pleasure while your work is being done.
Reviews (4)
Sharon A.
Sharon A.
Oct 10, 2018
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Dr Sealy has been my dentist/orthodontist for over 5 years, and I couldn't be more thrilled! Prior to finding Dr Sealy I bounced around dentists who provided painful and inferior service. Dr Sealy is caring and deliberate in providing pain free service that is visually stunning. His "temporary" work looks, feels, and fits better than the permanent work of others. His permanent work is extraordinary!!!

I am in the final stages of perfecting my smile. Dr Sealy used Invisalign to correct the overbite that -had over the years - caused damage and breakage to my upper and lower front
Gabi K.
Gabi K.
Sep 29, 2018
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Dr. Sealy is the best! The work is always top notch, and the cleanings are so thorough. The Invisaligns fixed my teeth (although i didn't wear them as I was supposed to, that is entirely my own fault), and Dr. Sealy is always patient and professional. The office is beautiful, with nice decor and the most friendly and professional receptionist. I've sent all my friends here, and they all agree!
Musta F.
Musta F.
Sep 27, 2018
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Kudos to Dr. Sealy for taking away my dad's fear of dentists. He was impressed by the dental cleaning and painless root canal. He actually wasooking forward to his appointment. Keep up the great work.
Stephanie N.
Stephanie N.
Jun 22, 2017
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Dr. Sealy is NOT an Orthodontist! He kept $5,000. from me even though it has taken almost 2 years in August wearing Invisalign retainers 23 hours a day. This should have taken 6-8 months, max. When he saw it was not working, he continued to send me 3 separate sets of retainer trays to now avail. Finally, I had enough of wearing these trays (I am a newlywed and this is most unattractive). Dr. Sealy shows no compassion. Even after a cosmetic dentist saw my teeth and wrote his findings to the Dental Board and on Healthgrade.