650—23.5(153) Level 1 expanded function procedures for dental hygienists. Level 1 expanded function procedures for dental hygienists include:
	23.5(1) Taking occlusal registrations;
	23.5(2) Placement and removal of gingival retraction material;
	23.5(3) Fabrication, temporary cementation, and removal of provisional restorations;
	23.5(4) Applying cavity liners and bases and applying bonding systems for restorative purposes, including the placement of orthodontic brackets, following the determination of location by the supervising dentist;
	23.5(5) Taking final impressions;
	23.5(6) Placement of Class 1 temporary filling materials; and
	23.5(7) Recementation of provisional restorations.
[ARC 4676C, IAB 9/25/19, effective 10/30/19]