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Dentists are part of Phase 1a in COVID-19 vaccination distribution.
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Ninth District Headquarters Office - Hawthorne, NY

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2021 Ninth District President

Dr. Roberto Rodriguez

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New Dentist Survival Guide series information

New Dentist Survival Guide Series

Join us for a series of five interactive sessions with experts in each field, including colleagues who have been in your shoes.

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COVID Vaccine Update

COVID-19 Vaccine Authorization Update

HHS authorizes dentists and dental students to vaccinate patients for COVID-19 nationwide.

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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

Course 110 - "A Week in the Life of a Periodontist"

  • Tue, Jun 01, 2021 | 7:00 PM - Tue, Jun 01, 2021 | 9:00 PM
  • Contact: Diane Darby
  • Email:
  • Phone: 914-747-1199

"A Week in the Life of a Periodontist"
Robert A. Horowitz, D.D.S.


New patients, pre-existing patients present to the periodontist for routine care, treatment of new isolated issues and/or requiring comprehensive, interdisciplinary therapy.  Not all patients are aware of the level of disease that has affected their dentition nor the complexity of treatment to restore their dentition to health and/or stable function.  Some of these patients that all presented in a single week will be shown.  Ideas for how to approach communicating advanced therapies to patients and scheduling complex treatment plans in light of advanced biomaterials and technologies will be discussed.  Short- and long-term follow-ups using some of these materials will be shown with literature to validate these state-of-the-art treatment modalities.