由四环素造成的前牙颜色及形态的损害,既有碍于功能又影响美观。常给青少年带来痛苦。临床常用充填、贴片等方法修复前牙,效果不甚理想。目前应用光敏树脂固化复盖四环素牙,多因牙釉质发育尚好,酸蚀效果差,而在修复后近期脱落,而且价格较贵。自1987年以来,我们采用牙片与自凝塑胶复盖前牙制作甲冠并使321 123或 Tetracycline caused by the color and shape of the anterior damage, both due to the function and affect the appearance. Often bring pain to young people. Common clinical filling, patch and other methods to repair the anterior teeth, the effect is not satisfactory. At present, the application of photosensitive resin curing tetracycline teeth, mostly due to the development of enamel is still good, poor acid etching effect, but soon after the repair off, and the price is more expensive. Since 1987, we have covered the anterior teeth with toothpaste and self-curing plastic and made 321 123 or