650—22.5(136C,153) Examination requirements. An applicant for dental assistant radiography qualification shall successfully pass a board-approved examination in dental radiography.
	22.5(1) Examinations must be prior approved by the board and must be administered in a proctored setting. All board-approved examinations must have a minimum of 50 questions. The Dental Assisting National Board Radiation Health and Safety Examination is an approved examination.
	22.5(2) A score of 75 percent or better on a board-approved examination shall be considered successful completion of the examination. The board accepts the passing standard established by the Dental Assisting National Board for applicants who take the Dental Assisting National Board Radiation Health and Safety Examination.
	22.5(3) Information on taking a board-approved examination may be obtained by contacting the board office at 400 SW 8th Street, Suite D, Des Moines, Iowa 50309-4687.
	22.5(4) A dental assistant must meet such other requirements as may be imposed by the board’s approved dental assistant testing centers.
	22.5(5) A dental assistant who fails to successfully complete a board-approved examination after two attempts will be required to submit, prior to each subsequent examination attempt, proof of additional formal education in dental radiography in a program approved by the board or sponsored by a school accredited by the Commission on Dental Accreditation of the American Dental Association.
[ARC 3143C, IAB 6/21/17, effective 7/26/17]