What Do Dental Hygienists Do? Dental hygienists are licensed health professionals who provide preventive dental care, perform oral health assessments and teeth cleanings, apply cavity preventive agents to teeth, take and develop x-rays, and educate patients on proper oral hygiene techniques. In some states, dental hygienists are allowed to place and carve filling materials, place temporary fillings and periodontal dressings, remove sutures, perform root planing, and smooth and polish metal …Read More