Wash. Rev. Code § 70.350.020
(1) Dental health aide therapist services are authorized by this chapter under the following conditions:
(a) The person providing services is certified as a dental health aide therapist by:
(b) All services are performed:
[ 2017 c 5 s 2.]
Findings—2017 c 5: See note following RCW 70.350.010.