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目的：对幼年期小型猪髁突纵行骨折作初步评价。材料与方法：中国实验用小型猪６头，造成左侧髁突纵行骨折模型，在术后６月进行（Ｃｏｍｐｕｔｅｄｔｏｍｏｇｒａｐｈｙ）ＣＴ扫描。结果：幼年期小型猪髁突纵行骨折后多形成双髁突畸形。结论：双髁突畸形形成机制与关节盘的继发性损伤、盘突粘连及内侧骨折片移位有关，此外髁突纵行骨折时的年龄对形成双髁突畸形是至关重要的。
Objective: To evaluate the longitudinal fracture of miniature pig condyles in juvenile pigs. MATERIALS AND METHODS: Six experimental miniature pigs were used in China, which resulted in a left longitudinal condyle fracture model. Computed tomography (CT) was performed at 6 months after surgery. Results: The condyles of juvenile miniature long after multiple longitudinal fractures formed double condyle deformity. CONCLUSION: The mechanism of bipolar condylar deformity is related to the secondary injury of the disc, the adhesion of the disc process and the displacement of the medial fracture plate. In addition, the age at the longitudinal fracture of the condyle is crucial to the formation of the bi-condylar deformity.