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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.

COVID-19 Resources

Latest News From The Ninth District

Frills & Drills - Celebrating Women in Dentistry Event

  • Wed, Apr 06, 2022 | 6:30 PM - Wed, Apr 06, 2022 | 9:00 PM
  • Location: The Pleasantville Manor
  • Address: 110 Nannahagan Rd, Pleasantville, 10570, NY
  • Contact: Diane Darby
  • Email:
  • How to find us: For directions, call: 914.769.5010
  • Website:
  • Phone: 914-747-1199

Register Today!

Frills & Drills - Celebrating Women in Dentistry Event                 

Wednesday, April 6, 2022


110 Nannahagan Road
Pleasantville, NY 10570

There will be a buffet, passed hors d'oeuvres, beer & wine, a cash bar, vendors, and lots of fun in a very beautiful setting!


Danziger & Markhoff LLP; Garfield Refining;
MLMIC Insurance Company; Rectangle Health;
The Smilist Management; Southridge Technology

$25 per person (10 years or more out of dental school).
$20 per new dentist (10 years or less out of dental school).
FREE for Dental School Students and Residents.

All CDC Guidelines and Mandates will be followed.