According to the most recent "NADP/DDPA Joint Report: Enrollment," at the end of 2007 over 173 million Americans are covered by some form of dental benefit through employer-sponsored group plans or...
The contact information is as follows:
American Dental Association 211 East Chicago Ave. Chicago, IL 60611-2678 312-440-2500
Their website addres is: http://www.ada.org/