基本解释

• [医药科学]牙颈

英汉例句

双语例句

• Objective: To investigate feasibility of pinhole drilled in dental cervix of crown of tooth.
  目的：探索牙冠颈部建立引流孔的可行性。
• Methods The first molar was welded with a molar root movement controller, which extending backward and clinging to the edge of second molar dental cervix.
  方法在第一磨牙带环上焊接一控根移动杆，其杆向后延伸紧贴第二磨牙牙冠颈缘上。

专业释义

医药科学

• 牙颈