Cal. Bus. & Prof. Code § 1943

(a) The committee may deny an application to take an examination for licensure as a registered dental hygienist, a registered dental hygienist in alternative practice, or a registered dental hygienist in extended functions at any time prior to licensure for any of the following reasons: (1) The applicant committed an act that is a ground for license suspension or revocation under this code or that is a ground for the denial of licensure under Section 480. (2) The applicant committed or aided and abetted the commission of any act for which a license is required under this chapter. (3) Another state or territory suspended or revoked the license that it had issued to the applicant on a ground that constitutes a basis in this state for the suspension or revocation of licensure under this article.

(b) The proceedings under this section shall be conducted in accordance with Chapter 5 (commencing with Section 11500) of Part 1 of Division 3 of Title 2 of the Government Code, and the committee shall have all of the powers granted therein.