(a) Except as provided in subsection (b) of this section, a dental assistant may perform duties in the office of any licensed dentist consistent with rules adopted by the Board and in public or private schools or institutions under the supervision of a licensed dentist or other dentist approved for the purpose by the Board. The performance of any intraoral tasks shall be under the direct supervision of a dentist.(b) The following tasks may not be assigned to a dental assistant:(1) Diagnosis, treatment planning, and prescribing, including for drugs and medicaments or authorization for restorative, prosthodontic, or orthodontic appliances; or(2) Surgical procedures on hard or soft tissues within the oral cavity or any other intraoral procedure that contributes to or results in an irremediable alteration of the oral anatomy.Added 2011, No. 116 (Adj. Sess.) , § 13.