The Washington State Department of Health through its Health Systems Quality Assurance Commission (HSQA) may regulate health professionals. More specifically, for Dental Malpractice Cases, the Dental Quality Assurance Commission (DQAC) may regulate dentists and oral surgeons practicing in the State of Washington. They can review complaints made by patients and undergo investigation of Dental Medical Malpractice allegations. If you have a complaint, you may wish to contact the DQAC for further information.