(a) The privilege does not apply in a court or administrative proceeding if the proceeding is:
(1) brought by the patient against a dentist, including a malpractice, criminal, or license revocation proceeding, and the disclosure is relevant to a claim or defense of the dentist; or
(2) to collect on a claim for dental services rendered to the patient.
(b) The privilege does not apply to the disclosure of a dental record:
(1) to the board in a disciplinary investigation or proceeding against a dentist conducted under this subtitle; or
(2) in a criminal investigation or proceeding against a dentist in which the board is participating or assisting by providing a record obtained from the dentist.
(c) The board may not reveal the identity of a patient whose dental record is disclosed under Subsection (b).
(d) Privileged information is discoverable in a criminal prosecution if:
(1) the patient is a victim, witness, or defendant; and
(2) the court in which the prosecution is pending rules, after an in camera review, that the information is relevant for discovery purposes.
(e) Privileged information is admissible in a criminal prosecution if:
(1) the patient is a victim, witness, or defendant; and
(2) the court in which the prosecution is pending rules, after an in camera review, that the information is relevant.
(f) The privilege does not apply to a grand jury subpoena.