(1) The department has issued endorsements to all dental hygienists holding valid licenses on or before April 19, 2001, the effective date of RCW 18.29.220.

(2) Dental hygienists licensed after April 19, 2001, must obtain an endorsement to provide services under this chapter. Applicants must meet the additional requirements in RCW 18.29.220 and must submit the following to the department:

(a) Application for endorsement;

(b) Fee;

(c) Information of having a valid Washington state dental hygiene license for reference; and

(d) Proof of the completion of training that has incorporated the Washington state department of health sealant/fluoride varnish program guidelines as described in WAC 246-814-040(3).

(3) Dental assistants employed by a Washington state licensed dentist on or before April 19, 2001, are not required to obtain an endorsement but may voluntarily do so without having to meet the additional requirements in RCW 18.32.226.

(4) Dental assistants employed by a Washington state licensed dentist for two hundred hours after April 19, 2001, must obtain an endorsement to provide services under this chapter. Applicants must meet the additional requirements in RCW 18.32.226 and must submit the following to the department:

(a) Application for endorsement;

(b) Fee;

(c) Proof of two hundred hours of employment as a dental assistant by a Washington state licensed dentist that has included theoretical and clinical training in the application of dental sealants and fluoride varnish treatments, verified by a declaration provided by the licensed dentist who provided the training; and

(d) Proof of completion of training that has incorporated the Washington state department of health sealant/fluoride varnish program guidelines as described in WAC 246-814-040(3).

(5) Dental assistants and their supervising dentists, as well as dental hygienists should use the Washington state department of health sealant/fluoride varnish guidelines described in WAC 246-814-040 and other protocols that may be in place for the geographic region when coordinating with local public health jurisdictions.

(6) Dental assistants and their supervising dentists, as well as dental hygienists shall coordinate with established local oral health coalitions by participating in oral health coalition meetings that may be held in the geographical region.