APP 初级弯曲(primary curvature):牙本质小管在牙尖部及根尖部的小管较直,而在牙颈部则弯曲呈“～”形,称为初级弯曲,其近牙髓的一端较粗,越向表面越细且排列稀疏。Primary curvature:Dentinal tubules at the tip of the cusp and theapex are straight, while a （共 359 字） [阅读本文] >>
海量资源，尽在掌握
初级弯曲(primary curvature):牙本质小管在牙尖部及根尖部的小管较直,而在牙颈部则弯曲呈“～”形,称为初级弯曲,其近牙髓的一端较粗,越向表面越细且排列稀疏。Primary curvature:Dentinal tubules at the tip of the cusp and theapex are straight, while a （共 359 字） [阅读本文] >>
