650—23.2(153) Expanded function requirements and eligibility.
	23.2(1) Dental hygienists or dental assistants may only perform expanded function procedures upon successful completion of a board-approved course of training and certification by the board. All expanded function procedures must be delegated by and performed under the direct supervision of a dentist licensed pursuant to Iowa Code chapter 153 unless otherwise specified in this rule. A dental assistant trainee is not eligible to perform or receive training in expanded function procedures. This shall not preclude dental hygienists or dental assistants from practicing expanded function procedures for training purposes while enrolled in a board-approved course of training.
	23.2(2) To be eligible to train in Level 1 expanded function procedures, dental hygienists or dental assistants must comply with one of the following:
	a. 	Hold an active dental hygiene license in Iowa; or
	b. 	Hold an active dental assistant registration, and comply with at least one of the following:
	(1)	Be a graduate of an accredited school; or
	(2)	Be currently certified by the Dental Assisting National Board (DANB); or
	(3)	Have at least three months of clinical practice as a registered dental assistant; or
	(4)	Have at least three months of clinical practice as a dental assistant in a state that does not require registration.
	23.2(3) A dentist who delegates Level 1 or Level 2 expanded function procedures to dental hygienists or dental assistants under direct supervision must examine the patient to review the quality of work prior to the conclusion of the dental appointment. The following expanded function procedures are exempt from this requirement and may be performed under general supervision:
	a. 	Recementation of a provisional restoration.
	b. 	Taking occlusal registrations for purposes other than mounting study casts by dental hygienists only.
[ARC 4676C, IAB 9/25/19, effective 10/30/19; ARC 6733C, IAB 12/14/22, effective 1/18/23]