口腔是微生物侵入机体的主要途径之一。因此制订严格的口腔无菌操作规范及器械消毒方法,具有极其重要的临床意义。 口腔科器械大多数采用高压灭菌、煮沸灭菌、干烤和化学灭菌法。化学灭菌法有酒精、新洁尔灭、来苏、过氧乙酸和84消毒液等。在一般无条件下可将牙钻、扩大针、砂石磨头、成形夹等口腔器械采用消毒方法如下:将器械浸泡于已于1％次氯酸溶液中 Oral cavity is one of the main ways that microbes invade the body. Therefore, to develop a strict oral aseptic practices and equipment disinfection methods, with extremely important clinical significance. Most dental instruments are autoclaved, boiled, dried and chemically sterilized. Chemical sterilization with alcohol, benzalkonium bromide, to the Soviet Union, peracetic acid and 84 disinfectant and so on. In general under the conditions of dental drills, expanding needles, sand grinders, forming clamps and other oral instruments using disinfection methods are as follows: the instrument soaked in 1% hypochlorous acid solution