酸蚀术已普遍用于口腔科临床。牙釉质酸蚀后表面脱钙,形成无数微小的孔隙,使牙釉质表面呈凹凸不平的粗糙面,增加了有效的粘结表面积。树脂渗入酸蚀后的牙釉质形成树脂突,彼此相互嵌合而增加粘结力。但是,牙釉质酸蚀后是否损伤牙齿易造成龋齿是人们关注的问题。绝大多数学者都同意牙釉质酸蚀后可再矿化而得到修复。本研究的目的是通过扫描电镜观察牙釉质酸蚀后是否可再矿化以及再矿化的时间。 Etching has been used clinically in dentistry. Enamel surface after acid etching decalcification, the formation of innumerable tiny pores, the enamel surface was rough rough surface, an increase of effective bonding surface area. The resin infiltrated the etched enamel to form resin bumps, which are mutually fitted to increase the adhesive force. However, whether or not tooth enamel erosions cause tooth decay is a concern for people. Most scholars agree that the enamel acid etching can be re-mineralized and repaired. The purpose of this study was to observe the time of remineralization and remineralization after enamel etching by scanning electron microscopy.