California Code, Business and Professions Code - BPC § 1645.1

(a) A person who applies for licensure as a registered dental assistant shall provide evidence of having successfully completed board-approved courses in infection control, the Dental Practice Act, basic life support, radiation safety and coronal polishing.  The length and content of the courses shall be governed by applicable board regulations.  Failure to comply with this section shall result in automatic suspension of the license, which shall be reinstated upon the receipt of evidence that the licensee has successfully completed the required courses.  Completion of the courses may be counted toward fulfillment of the continuing education requirements governed by Section 1645.

(b) The holder of an inactive registered dental assistant license is only required to comply with subdivision (a) as a condition of returning the holder's license to active status.