Section 1909.
Cal. Business and Professions Code - BPC § 1909.
in effectA registered dental hygienist is authorized to perform the following procedures under direct supervision of a licensed dentist, after submitting to the dental hygiene board evidence of satisfactory completion of a course of instruction, approved by the dental hygiene board, in the procedures:
(a)
Soft-tissue curettage.
(b)
Administration of local anesthesia.
(c)
Administration of nitrous oxide and oxygen, whether administered alone or in combination with each other.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026