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目的探讨颌间牵引钉在咬合关系恢复及维持中的应用效果。方法分析以颌间牵引钉单独或辅助颌骨坚固内固定治疗32例因颌面骨折及陈旧性颞下颌关节脱位导致的咬合关系紊乱患者的临床资料。结果 32例患者术后咬合关系均恢复至正常,伤口均Ⅰ期愈合,其中30例颌面骨折28例达到解剖复位标准,2例基本复位。2例陈旧性颞下颌关节脱位完全复位。结论自攻颌间牵引钉是目前恢复及维持咬合关系较为理想的治疗方法。
Objective To investigate the effect of intermaxillary traction nail in the recovery and maintenance of occlusal relationship. Methods The clinical data of 32 patients with occlusal disorders due to maxillofacial fractures and old temporomandibular joint dislocation were analyzed with intermaxillary traction alone or with assisted maxillary internal fixation. Results All the 32 patients recovered to normal occlusion status after operation. All the wounds healed in the first stage. Among them, 30 cases of maxillofacial fractures reached the anatomic reduction standard and 2 cases had basic reduction. 2 cases of old temporomandibular joint dislocation completely reset. Conclusion Self-tapping intermaxillary traction nail is the ideal way to restore and maintain occlusion.