The provisions of this chapter do not apply to:
(1) a person interning under the direct supervision of a licensed denturist as required by 37-29-303 (2), provided that a denturist may not supervise more than one intern at any one time;
(2) the practice of dentistry or medicine by persons authorized to do so by the state of Montana; or
(3) a student of denturitry in pursuit of clinical studies under a school program or internship as required by 37-29-303.