54-3303. EXCEPTIONS. The prohibitions of this chapter do not apply to: (1) A person interning under the supervision of a denturist; (2) The practice of dentistry or medicine by persons authorized to do so by this state; (3) A student of denture technology in pursuit of clinical studies under an approved school program; or (4) A denture technician, as defined by board rule, performing services under the direction of a licensed denturist or licensed dentist when the service does not involve contact with the intended user.