前牙发育畸形是口腔修复科临床的常见病,一般表现为畸形牙,牙釉质发育不全,氟斑牙,四环素牙,变色牙。严重的发育畸形常形成不同程度的自然间隙和颜色变化,这不仅可以造成咀嚼功能,发育功能的障碍,同时还可以影响患者面容的美观。进而还可给患者造成心理损害。1955年Ruonocore用酸蚀法酸蚀牙釉质,提高了牙釉质与丙稀酸树脂的粘结效果。后来Buonocore又把酸蚀法与复合树脂同 Deformity of anterior teeth is a common clinical disease of oral prosthetics, the general performance of deformed teeth, enamel hypoplasia, dental fluorosis, tetracycline teeth, discolored teeth. Severe developmental abnormalities often form different degrees of natural gaps and color changes, which not only can cause masticatory function, developmental dysfunction, but also can affect the appearance of patients. Which in turn can cause psychological damage to the patient. In 1955, Ruonocore acid etched enamel by acid etching, which improved the bonding effect between enamel and acrylic resin. Later Buonocore and acid etching method with the same resin