(a) The office of inspector general shall employ a dental director who:
(1) is a licensed dentist under Subtitle D, Title 3, Occupations Code, and the rules the State Board of Dental Examiners adopts under that subtitle; and
(2) preferably has significant knowledge of Medicaid.
(b) The dental director shall ensure that any investigative findings based on the necessity of dental services or the quality of dental care have been reviewed by a qualified expert as described by the Texas Rules of Evidence before the office of inspector general imposes a payment hold or seeks recoupment of an overpayment, damages, or penalties.