口腔卫生
牙科保健师是有执照的保健专业人员，他们促进口腔健康和健康 健康. 牙科保健员教育病人有关口腔卫生和预防的知识 口腔护理.
Hygienists remove plaque, calculus and stains from teeth; expose and develop dental X-rays; and apply cavity-preventive agents such as fluorides and pit and fissure sealants. In some states, they also administer local anesthetics and nitrous oxide; place and carve filling materials, temporary fillings, and periodontal dressings; remove sutures 进行根刨.
卫生学家可能不能诊断疾病，但他们可以为临床和实验室做好准备
供牙医解释的诊断测试. 卫生员也可以在椅子旁工作
在治疗期间和牙医一起.
口腔卫生学术课程
