225 ILCS 25/34

In all hearings conducted under this Act, information received, pursuant to law, relating to any information acquired by a dentist or dental hygienist in attending any patient in a professional character, and necessary to professionally serve such patient, shall be deemed strictly confidential and shall only be made available, either as part of the record of a hearing hereunder or otherwise: (1) when such record is required, in its entirety, for purposes of judicial review pursuant to this Act; or (2) upon the express, written consent of the patient, or in the case of the patient's death or disability, the patient's personal representative.