前方和后方部位具有连续的成釉细胞层，具备切牙颈环的形态和分子特征。
The anterior and posterior aspects maintained the morphological and molecular characteristics of the cervical loop of a continuously growing incisor, with a continuous layer of ameloblasts.
前方和后方部位具有连续的成釉细胞层，具备切牙颈环的形态和分子特征。
The anterior and posterior aspects maintained the morphological and molecular characteristics of the cervical loop of a continuously growing incisor, with a continuous layer of ameloblasts.
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