Expanded duties.

20-03-01-01.1. Expanded duties. A registered dental assistant shall apply for a permit to perform the following duties: 1. A restorative care permitholder under the direct supervision of a dentist may perform the following restorative functions: a. Place, contour, carve, adjust, and finish direct restorative dental materials including amalgam, glass ionomer, alloy, or composite restorations. All margins must be entirely within the enamel. Permitholders may use hand instruments or a slow-speed or high- speed handpiece; b. Adapt and cement stainless steel crowns; and c. Place a temporary sedative filling. The restorative functions only may be performed after the patient has given informed consent for the placement of the restoration by a restorative care permitholder. Before the patient is released, the final restorations must be checked and documented by the supervising dentist. 2. A dental anesthesia assistant authorized by a class I permit and under the contiguous supervision of a dentist authorized by permit to provide moderate sedation, deep sedation, or general anesthesia may: a. Initiate and discontinue an intravenous line for a patient being prepared to receive intravenous medications, sedation or general anesthesia; b. Adjust the rate of intravenous fluids infusion only to maintain or keep the line patent or open; c. Prepare and monitor anesthesia equipment; d. Perform patient monitoring including vital signs, adverse events, and patient positioning; and e. Assist with emergency treatment and protocols, including the use of suction, automated defibrillators, and crash cart equipment. 3. A dental anesthesia assistant authorized by a class II permit and under the direct visual supervision of a dentist authorized by permit to provide moderate sedation, deep sedation, or general anesthesia may carry out all duties of a class I permitholder and: a. Draw up, label, prepare, and waste medications; b. Follow instructions to deliver medication into an intravenous line upon verbal command of the supervising dentist; c. Adjust the rate of intravenous fluids infusion beyond a keep-open rate upon verbal command of the supervising dentist; and d. Adjust an electronic device to provide medications, such as an infusion pump upon verbal command of the supervising dentist. 4. A registered dental assistant or registered dental hygienist authorized by permit and under the indirect supervision of a dentist may administer nitrous oxide analgesia to a patient who has 5 not taken sedative medications before treatment in accordance with subsection 2 of section