Objective To investigate the features of primary tooth structure in hypophosphatasia.
目的观察低磷酸酯酶症在乳牙结构上的表现。
What is the defect of the structure of the tooth(teeth)?
什么是牙齿结构上的缺陷呢？
And has studied this medium rack tooth profile curve structure method.
并研究了这种媒介齿条齿廓齿形曲线的构造方法。
The structure is simple and strong, and the tooth backlash can be automatically compensated.
该结构简单，承载能力强，齿侧间隙可自动补偿。
The tooth brush comprises at least one rotary brush with such structure.
所述牙刷包括至少一个具有上述结构的旋转刷。
The tooth brush comprises at least one rotary brush with such structure.
所述牙刷包括至少一个具有上述结构的旋转刷。
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