牙齿形态学
Objective: To study the anatomic morphology of permanent tooth external layer of Korean-nationality.
目的:研究朝鲜族恒牙外层解剖形态。
Objective : To study the anatomic morphology of permanent tooth external layer of Korean-nationality.
目的: 研究朝鲜族恒牙外层解剖形态.
纳米英语 · 双语娱乐资讯