Final answer:
An RDH may polish and contour restorations under direct supervision, which requires a dentist’s presence. Duties vary by jurisdiction and may include a variety of clinical tasks that ensure patient safety and quality care.
Step-by-step explanation:
Under direct supervision, a Registered Dental Hygienist (RDH) may polish and contour restorations. The scope of practice for RDHs varies by jurisdiction, but generally, direct supervision requires the presence of a dentist who is physically in the treatment facility while the procedures are performed. Tasks that an RDH may conduct under direct supervision often include the removal of calculus, deposits, and stains from the surfaces of teeth, application of preventive materials, taking dental radiographs, and performing periodontal therapy.
More complex duties such as polishing and contouring of restorations might require the dentist's immediate approval or check before, during, or after the procedure. It is important to note that the guidelines may differ from one region to another; always consult local dental laws and regulations to determine specific supervision levels. Common duties under general or direct supervision include assessing patient history, responding to treatment needs, and preparing solutions and equipment to maintain sterile procedures, which align with the many quality standards within dental practices.
In some instances, an RDH may also work closely with a registered nurse, especially in settings where oral health and general health intersect, such as in dialysis centers where maintenance of oral health is crucial for overall treatment efficacy.