1. Method: The thickness of external wall of maxillary bone, depth of tooth fossa and diameter of upper orifice of the fossa were measured. 方法：观测30例成人上颌骨牙窝外侧壁厚度、牙窝深度、牙窝上口径线。
2. Method: The thickness of external wall of maxillary bone, depth of tooth fossa and diameter of upper orifice of the fossa were measured. 方法：观测30例成人上颌骨牙窝外侧壁厚度、牙窝深度、牙窝上口径线。
3. Method: The thickness of external wall of maxillary bone, depth of tooth fossa and diameter of upper orifice of the fossa were measured. 方法：观测30例成人上颌骨牙窝外侧壁厚度、牙窝深度、牙窝上口径线。
4. The representative species of a genus, the representative genus of a family, etc. For example the genus of the family Solanaceae. 一个属的代表性物种，或是一个科的代表属，等等。例如：茄属是茄科的代表属。
5. Objective: To investigate the methods of diagnosis and treatment by reporting 11 cases of trigeminal neuralgia caused by posterior cranial fossa tumors. 目的：报道11例后颅窝肿瘤引起的三叉神经痛病例，探讨相关的诊断、治疗上的问题。
