四环素牙主要是婴幼儿在牙齿发育矿化期,大量、长期的服用四环素类药物如:四环素、土霉素、强力霉素等,造成牙齿硬组织钙化受到障碍,四环素与牙齿硬组织形成四环素—钙复合物所致。此类复合物比较稳固,而且能抑制牙齿硬组织的矿化。临床主要表现为:牙齿颜色改变、发黄发暗,牙(牙由)质缺损,表面形成蜂窝状凹陷,严重的出现牙实质缺损,遇冷热刺激时出现疼痛。既往治疗使用脱色法、漂白法或者表面涂复合树脂等方法,治疗效果均不理想。我们最近采 Tetracycline tooth is mainly infants and young children during tooth development and mineralization, large, long-term use of tetracycline drugs such as: tetracycline, oxytetracycline, doxycycline, resulting in calcification of dental hard tissue barriers, tetracycline and tooth hard tissue formation of tetracycline - Calcium complex caused. Such complex is relatively stable, and can inhibit the mineralization of dental hard tissue. The main clinical manifestations are: color change of teeth, dark yellow hair, teeth (teeth from) quality defects, the formation of honeycomb surface depression, severe dental defects appear in case of hot and cold stimulation of pain. Previous treatment using bleaching, bleaching or surface coating composite resin and other methods, the treatment effect is not satisfactory. We recently mining