Registered Dental Assistant (RDA). Walnut Hills Pediatric Dentistry is looking for an outgoing Registered Dental Assistant to join our team. Our ideal candidate is a team player, able to work in a fast paced environment, and works well with kids. Responsibilities. Greet and prepare patients for care. Assist dentists during operative procedures. Sterilize and prepare instruments. Perform child prophylaxis. Take radiographs. Provide oral hygiene in...