Objective: to provide morphological basis for dental aging and senile teeth diseases and to study age-related changes of pulp-dentin complex of human premolar.
目的：研究人前磨牙牙髓牙本质复合体的增龄性变化，探讨牙衰老和老年牙病的形态学基础。
The dentin side between the odontoblasts was connected by junctional complex and the other area was connected by the desmosomes.
相邻成牙本质细胞间的牙本质侧有连接复合体相连，其他区域则为桥粒。
Recently, advances and great progresses in bio-medical research offer exciting opportunities for the study on the formation of dentin-pulp complex.
近年来，生命前沿科学领域的飞速发展和重大进展，也掀起了牙本质牙髓形成研究的热潮。
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