开始可以只做釉质修整。
牙根部覆盖着牙髓，它比牙釉质更易磨损。
The root is covered with cementum, which is worn away more easily than enamel.
在粘结之前，必须保证釉质有良好的干燥面。
It must be sure that enamel surface is quite dried before bond.
目的：探讨五倍子水提取物影响牙釉质脱矿的机理。
Objective: To investigate the mechanism of the effect of Chinese nutgall on enamel demineralization.
首先，氟能够使你牙齿的釉质更坚固，同时降低酸性的腐蚀程度。
First, fluoride makes your tooth enamel stronger and less likely to suffer acid damage.
结论：安氏II类2分类错牙合与过小侧切牙、釉质发育不良、先天缺牙密切相关。
Conclusion: Angle Class II division 2 malocclusion is closely related to congenital tooth anomalies.
结论：安氏II类2分类错牙合与过小侧切牙、釉质发育不良、先天缺牙密切相关。
Conclusion: Angle Class II division 2 malocclusion is closely related to congenital tooth anomalies.
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