...分析 关键词】 人前磨牙；牙髓牙本质复合体；纤维粘连蛋白；免疫组织化学；图像定量分析 [gap=1475]Key words】 Human premolars; Dental pulp-dentin complex; Fibronectin; Immunohistochemistry; Quantitative im..
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方法收集离体人前磨牙60个，随机分成6组。
Methods 60 human premolars were selected and divided into six groups by random.
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。
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.
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