Description. Now is the time to join Sammamish Smiles Dentistry. You will have opportunities to learn new skills from our team of experienced professionals. If you're ready to take your career to the next level and gain valuable experience, apply today. Overview. Registered Dental Assistants perform a variety of patient care, office, and laboratory duties. The primary role of the Registered Dental Assistant (RDA) is to assist the dentist in gaini...