To explore the effect of high fluoride and low protein on tooth development and clarify the mechanism of excessive tooth wear, and decalcification of incisors were researched by SEM.

• 为了探索高氟低蛋白对牙齿发育的影响,阐明牙齿过度磨损的机理,应用扫描电镜对第一、二切齿脱钙前的矿化及脱钙后的基质结构作了观察。