A licensed denturist, prior to placing a prefabricated implant abutment on an implant for the purpose of fabricating, repairing, relining, or rebasing a denture, must have documented proof that a licensed dentist has examined the patient clinically. The documented proof from the licensed dentist must include a report that the implant is sufficiently osseointegrated, the surrounding soft tissues are stable and healthy, and provide a documented diagnosis that the implant is ready to restore. The prefabricated implant abutment seat shall be verified by radiographic assessment by a licensed dentist no more than 90 days prior to delivery of the denture.
Wash. Admin. Code § 246-812-462