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目的:探讨下颌角骨折处第三磨牙的不同处理方式对术后并发症的影响。方法:将77例单纯下颌角骨折患者根据治疗方法分为四组,A组:张力带固定术中拔除骨折处第三磨牙;B组:张力带固定术中保留骨折处第三磨牙;C组:张力带固定附加下颌骨下缘补偿固定术中拔除骨折处第三磨牙;D组:张力带固定附加下颌骨下缘补偿固定术中保留骨折处第三磨牙。术后定期随访,对各组术后感染及咬合关系紊乱发生率等方面进行比较。结果:四个组在术后感染率及咬合关系紊乱发生率方面差异无统计学意义(P>0.05);术中拔除下颌角骨折处第三磨牙组与保留下颌角骨折处第三磨牙组相比,术后感染率的差异无统计学意义(P>0.05);结论:单纯下颌角骨折采用小型接骨板内固定时在严格掌握术中拔除第三磨牙指征的情况下,术中拔除骨折处第三磨牙并不会增加下颌角骨折术后感染的几率。
Objective: To investigate the effect of different treatment of third molars on postoperative complications in mandibular angle fractures. Methods: Totally 77 patients with simple mandibular angle fracture were divided into four groups according to the treatment: group A: the third molars with fracture removal during tension band fixation; group B: the third molars with fracture retention during tension band fixation; group C : Tension zone fixed additional mandibular margin of the lower edge of the third molar removal fracture surgery; D group: tension band fixed additional mandibular margin of the lower margin of the third molar retention fracture surgery. Regular follow-up after surgery, the incidence of postoperative infection and occlusal disorders were compared. Results: There was no significant difference in postoperative infection rate and incidence of occlusion between the four groups (P> 0.05). In the third molars group with mandibular angle fracture and the third molars group with mandibular angle fracture (P> 0.05) .Conclusion: When the simple mandibular angle plate fixation with mini-plate fixation, strictly observe the indications of the removal of the third molars surgery, the removal of intraoperative fractures Department of the third molars does not increase the incidence of mandibular angle fracture infection.