Wash. Rev. Code § 18.260.070
(2) The scope of expanded function dental auxiliary services that the commission identifies in subsection (1) of this section includes:
(a) In addition to the dental assisting services that a dental assistant may perform under the close supervision of a supervising dentist or supervising dental therapist, the performance of the following services under the general supervision of a supervising dentist or supervising dental therapist as the dentist or dental therapist may allow:
(b) Notwithstanding any prohibitions in RCW 18.260.040, the performance of the following services under the close supervision of a supervising dentist or supervising dental therapist as the dentist or dental therapist may allow:
[ 2023 c 460 s 18; 2007 c 269 s 6.]
Effective date—2023 c 460 ss 1-22: See note following RCW 18.265.005.