Website: http://www.ada.org/117.aspx

Contact Information: 

Commission on Dental Accreditation of the American Dental Association
211 East Chicago Ave.
Chicago, IL 60611-2678
Telephone: 312-440-2500

Complaints Procedures: 

http://www.ada.org/en/coda/policies-and-guidelines/file-a-complaint

Other Information: 

Must be in writing and signed. Send to:

ADA
211 E Chicago Ave
Chicago, IL 60611-2678