着色牙的患者临床较为常见,包括各类程度不同的氟斑牙,釉质钙化不良牙,死髓变色牙及青少年中发病率较高的四环素牙。多年来口腔医务工作者已采用光固化树脂覆盖[1],硬脂塑胶贴牙面,牙齿漂洗,脱色增白等诸多措施,力求使着色牙在美观方面有所改善,但由于存在着覆盖物再次着色,磨 Patients with stained teeth are more common clinics, including various levels of dental fluorosis, poor enamel calcification, dead discolored teeth and teratogenic high prevalence of tetracycline teeth. Oral health workers have used light-cured resin over the years [1], hard plastic tooth paste, tooth rinse, bleaching whitening and many other measures to make the color of the teeth in the aesthetic aspects of improvement, but because of the existence of cover Coloring again, grinding