Abstract:Objective To study the characters of degradation of poly-L-lactic acid (PLLA) internal fracture-fixing system.
目的：观察聚左旋乳酸（PLLA）微型接骨板固定家犬下颌骨骨折时的降解特性。
The fracture of the pins was caused by improper assembly flow and lower adhesion strength of the fixing glue.
装配方式不合理，固定胶粘接强度不足和工艺不完善是导致引脚断裂的原因。
Placement of an anteroposterior lag screw can also be complicated by screw traffic if there are a large number of screws fixing the primary fracture.
如果对骨折进行大量前后位固定的话，螺钉的位置安置也是问题。
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