CA Bus & Prof Code § 1910.5 (2021)
2021 California Code|Business and Professions Code - BPC|DIVISION 2 - HEALING ARTS|CHAPTER 4 - Dentistry|ARTICLE 9 - Dental Hygienists|Section 1910.5.

1910.5.  (a) In addition to the duties specified in Section 1910, a registered dental hygienist is authorized to perform the following additional duties, as specified:(1) Determine which radiographs to perform on a patient who has not received an initial examination by the supervising dentist for the specific purpose of the dentist making a diagnosis and treatment plan for the patient. In these circumstances, the dental hygienist shall follow protocols established by the supervising dentist. This paragraph only applies in the following settings:(A) In a dental office setting.(B) In a public health setting, using telehealth, as defined by Section 2290.5, for the purpose of communication with the supervising dentist, including, but not limited to, schools, head start and preschool programs, and community clinics.(2) Place protective restorations, which for this purpose are identified as interim therapeutic restorations, and defined as a direct provisional restoration placed to stabilize the tooth until a licensed dentist diagnoses the need for further definitive treatment. An interim therapeutic restoration consists of the removal of soft material from the tooth using only hand instrumentation, without the use of rotary instrumentation, and subsequent placement of an adhesive restorative material. Local anesthesia shall not be necessary for interim therapeutic restoration placement. Interim therapeutic restorations shall be placed only in accordance with both of the following:(A) In either of the following settings:(i) In a dental office setting.(ii) In a public health setting, using telehealth, as defined by Section 2290.5, for the purpose of communication with the supervising dentist, including, but not limited to, schools, head start and preschool programs, and community clinics.(B) After the diagnosis, treatment plan, and instruction to perform the procedure provided by a dentist.(b) The functions described in subdivision (a) may be performed by a registered dental hygienist only after completion of a program that includes training in performing those functions, or after providing evidence, satisfactory to the dental hygiene board, of having completed a dental hygiene board-approved course in those functions.(c) No later than January 1, 2018, the dental hygiene board shall adopt regulations to establish requirements for courses of instruction for the procedures authorized to be performed by a registered dental hygienist and registered dental hygienist in alternative practice pursuant to Sections 1910.5 and 1926.05, using the competency-based training protocols established by the Health Workforce Pilot Project (HWPP) No. 172 through the Office of Statewide Health Planning and Development. The dental hygiene board shall use the curriculum submitted by the board pursuant to Section 1753.55 to adopt regulatory language for approval of courses of instruction for the interim therapeutic restoration. Any subsequent amendments to the regulations for the interim therapeutic restoration curriculum that are promulgated by the dental hygiene board shall be agreed upon by the board and the dental hygiene board.(d) This section shall become operative on January 1, 2018.(Amended by Stats. 2019, Ch. 456, Sec. 13. (SB 786) Effective January 1, 2020.)