牙本质小管（dentinal tubule）贯通整个牙本质，自牙髓表面向釉牙本质界呈放射状排列，在牙尖部及根尖部小管较直，而在牙颈部则弯曲呈“～”形，近牙髓端的凸弯向着根尖方向。
(1)牙本质(Dentin)：构成牙的主体,包绕着牙髓腔.牙本质主要由牙本质小管(dentinal tubule)与间质构成.牙本质小管从牙髓腔面向周围呈放射状走行,愈向周边愈细,且有分支吻合.
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牙本质小管阻塞剂 Dentinal tubule blocker
Furthermore, friction and wear behaviors of tooth depend strongly on microstructure orientations. A tooth shows better wear-resistance along the occlusal section than along the axial section due to the orientation of the enamel rods and the dentinal tubule.2.
此外，牙齿微观结构取向会显著影响牙齿的摩擦磨损行为，鉴于釉柱和牙本质小管的取向，同一颗牙齿在(牙合)向截面上的耐磨性优于轴向截面。
参考来源 - 牙齿的摩擦学特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
目的：评价硅酸三钙对牙本质小管的阻塞能力。
Objective: To evaluate the tubule occluding ability of tricalcium silicate.
目的研究氟离子导入过敏牙本质后牙本质小管的形态变化。
Objective to study the conditions and alterations of dentin tubule orifices after fluoride iontophoresis into hypersensitive dentin.
结果：对照组：感染根管牙本质小管形态不规则，排列紊乱。
Results: Control group: the dentinal tubules lined up in disorder and irregularity.
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