前言牙刷是个人卫生用具之一,它是人类在预防疾病、保持口腔卫生的经验积累中的一项重要的发明。当前,国外对牙刷的研究进行了重大的改革,并做了临床应用效果实验,现综述如下。交流电式自动牙刷的研究“Broxdent”(商品名)电自动牙刷最初为瑞士产品,可分为刷头与刷柄两部分,两部分之间可以自由拆卸,刷头与普通牙刷的刷头相同;刷柄则是一个粗大的短棒。短棒 Preface Toothbrush is one of the personal hygiene appliances, which is an important invention of mankind's accumulated experience in preventing diseases and maintaining oral health. At present, the foreign research on toothbrush conducted a major reform, and made the clinical application of the effect of experiments, are summarized below. Automatic toothbrush research “Broxdent” (product name) Electric automatic toothbrush was originally a Swiss product, can be divided into two parts brush head and handle, the two parts can be detached freely, the brush head and ordinary toothbrush brush head the same; Brush handle is a thick short rod. Short rod