这些研究显示DPP在正常牙本质和病理性牙本质的形成中起重要的作用。
Previous studies clearly indicate the importance of DPP in both normal and diseased dentin formation.
结论：硬化牙本质相对于正常牙本质形成的混合层较薄或者没有，树脂突短、少。
Conclusion: the resin rags were fewer and shorter and the hybrid layers were thinner in sclerotic dentin than in normal dentin.
硬化牙本质又被称作透明牙本质，是牙本质的一种反应性改变，在结构上与正常牙本质存在很大的差异。
Sclerotic dentin, also named as transparent dentin, is a kind of reactive change of dentin, has great difference from normal dentin in structure.
结论：硬化牙本质的粘接特性与正常牙本质存在差异。树脂突的数量及交通枝不足是硬化牙本质粘接强度受限的可能因素。
Conclusion: Bonding to sclerotic dentin is different from sound dentin, and may be compromised by the fewer resin tags and communications.
在检查的切片中，与正常牙齿相比，在多生儿中观察到更多的球间牙本质和更少的钙化小球。
In the slices examined more interglobular dentin and less calcified globules were observed in the supernumerary than in the normal teeth.
结果切片观察多生牙见较多的球间牙本质，与成年牙比较钙化球不明显，牙髓组织与正常牙髓基本一致；
Results In the slices examined more interglobular dentin and less calcified globules were observed in the supernumerary than in the normal teeth. The pulp structures were basically the same.
结果切片观察多生牙见较多的球间牙本质，与成年牙比较钙化球不明显，牙髓组织与正常牙髓基本一致；
Results In the slices examined more interglobular dentin and less calcified globules were observed in the supernumerary than in the normal teeth. The pulp structures were basically the same.
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