Objective To study the classification of fracture in the base of the middle phalanx and its long-term outcomes.

目的根据致伤机制和作用方式，对手指中节指骨基底部骨折进行分类并复述治疗方法及远期结果。

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Objective The subject of this study is to analyse and determine correlations between classification of TMJ fracture and treatment.

目的分析并确定颞下颌关节骨折的分类与治疗方法之间的关系。

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Objective:To discuss classification, surgical approach and method of internal fixation of displaced acetabular fracture.

目的：对移位髋臼骨折的分类、手术入路及内固定方法的选择进行探讨。

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