California Code, Business and Professions Code - BPC § 1638

(a) For purposes of this article, “oral and maxillofacial surgery” means the diagnosis and surgical and adjunctive treatment of diseases, injuries, and defects which involve both functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.

(b) Any person licensed under the Medical Practice Act (Chapter 5 (commencing with Section 2000)) as a physician and surgeon who possesses, or possessed, a license to practice dentistry in another state, but is not licensed to practice dentistry under this chapter may apply to the board on a form prescribed by the board for an oral and maxillofacial surgery permit.

(c) The board may issue an oral and maxillofacial surgery permit to an applicant who has furnished evidence satisfactory to the board that he or she is currently certified or eligible for certification in oral and maxillofacial surgery by a specialty board recognized by the Commission on Accreditation of the American Dental Association and holds a current license in good standing to practice medicine in the state.

(d) An application shall be accompanied by an application fee required by the board and two classifiable sets of fingerprints on forms provided by the board.