American Dental Association

The American Dental Association is the national organization of the tripartite—or three-level—system of organized dentistry. The American Dental Association (ADA) was founded in August 1859, at Niagara Falls, New York, by 26 dentists representing various dental societies in the United States.

Today’s ADA has more than 141,000 members, 53 constituent (state or territorial) societies, and 545 component—or local—dental societies. It is the largest and oldest national dental association in the world.

The Board of Trustees—the administrative body of the ADA—is composed of the President, the President-elect, two Vice Presidents and 17 trustees from each of the 17 trustee districts in the United States. Illinois is the Eighth Trustee District.

Illinois State Dental Society P.O. Box 376 Springfield, IL 62705 (217) 525-1406
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