California Code, Health and Safety Code - HSC § 1315

(b)(1) Dental hygiene services, as defined in the Dental Practice Act, may be provided to a patient in a long-term health care facility, as defined in Section 1418, that is licensed under this chapter, by a person licensed by the State of California as a registered dental hygienist in alternative practice pursuant to Section 1922 of the Business and Professions Code, practicing in accordance with those provisions.

(2) A person licensed as a registered dental hygienist by the State of California pursuant to Section 1917, 1917.1, 1918, or1922 of the Business and Professions Code, practicing in accordance with those provisions, may provide oral health inservice training to staff in a long-term health care facility licensed under this chapter.