Description. Registered Dental Assistant (RDA). Eastside Family Dentistry – Issaquah, WA. Proudly supported by Mosaic Dental Collective. Eastside Family Dentistry. a trusted practice supported by Mosaic Dental Collective, is looking for an upbeat, dependable, and team-oriented Full-time. Registered Dental Assistant (RDA). to join us in Issaquah, WA. We’re all about creating a positive experience—for both our patients and our team—and your role is...