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9th Lobby

Ninth District Headquarters Office - Hawthorne, NY


2022 Ninth District President

Dr. Stephen Ossen

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Office Safety Marketing Toolkit

A members-only, customizable marketing toolkit complete with videos, graphics and accompanying captions for use across social & more!

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ADA Encourages Vaccine


ADA strongly encourages COVID-19 vaccination among dental professionals

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Welcome to the Ninth District Dental Association

The Ninth District Dental Society was formed in 1909 and renamed to the Ninth District Dental Association in 2002. We have a membership of over 1500 dentists in 5 counties: Westchester, Rockland, Dutchess, Orange and Putnam.

In its quest to serve both the public and the profession, the Ninth District embodies the highest ideals.

The mission of the 9th District Dental Association is to serve and support its members and the public by improving the oral health of our community through Advocacy, Continuing Education and Camaraderie.

Latest News Around the Tripartite

MyADA and member exclusive content access restored

Thank you for your patience as we bring ADA systems back online.

As the ADA works to restore operations after a recent cybersecurity event, we are pleased to share that members are now able to access the following ADA member benefits:

  • MyADA: You can now log in to view member benefits, track Catalog order status for orders already placed and make changes to your information, including updates to your Find-A-Dentist profile.
  • Member Exclusive Content: Articles on that require an ADA login are now accessible to members.

Thank you for your patience as we bring ADA systems back online. We will continue to provide updates in the Morning Huddle as more systems become available.

If you have any questions, please contact us at


Around the Ninth District