ObjectiveTo study the preparation method and application value of anterolateral thigh free-style perforator flap on reconstruction of oral and maxillofacial defects.Methods 86 patients with oral and maxillofacial defects, who were diagnosed and treated in our hospital, were selected and were divided into two groups according to random number table. To compare the treatment effect between control group of 43 patients who were treated with anterolateral thigh flap preparation technology, and observation group of 43 patients who were treated with anterolateral thigh free-style perforator flap preparation technology. Results The operation time and donor site healing time in observation group were obviously shorter than which in control group, the incision length in observation group was obviously less than which in control group, the transplantation effect in observation group was obviously better than which in control group, the incidence of flap greyish white, increased tension, local edema, donor site pain, muscle herniation, wound dehiscent, long dated lower-limb muscular strength weakness were obviously lower in observation group than which in control group, the good recovery rate of shape, speech, swallowing function were obviously higher than which in control group, the differences were statically significant(P<0.05).Conclusion Anterolateral thigh free-style perforator flap preparation technology applied on reconstruction of oral and maxillofacial defects has better treatment effect and higher safety, is worthy of clinical popularization and application.%目的：探讨股前外侧free-style穿支皮瓣的制备方法及其在口腔颌面部缺损修复重建中的应用价值。方法选取本院2008年5月～2014年10月诊治的口腔颌面部缺损患者86例，采用随机数字表法分为两组，43例患者采用传统股前外侧皮瓣制备术治疗为对照组，43例患者采用股前外侧free-style穿支皮瓣制备术治疗为观察组，比较两组患者的治疗效果。结果观察组患者手术时间、供区愈合时间均明显少于对照组，切口长度明显小于对照组，移植效果明显好于对照组，皮瓣灰白发生率、张力增加发生率、局部水肿发生率、供区疼痛发生率、肌肉疝出发生率、伤口开裂发生率、远期下肢肌力下降发生率均明显低于对照组，外形良好恢复率、语音良好恢复率、吞咽功能良好恢复率均明显高于对照组，差异均有统计学意义（P＜0.05）。结论股前外侧free-style穿支皮瓣制备术可用于口腔颌面部缺损修复重建，治疗效果好且安全性高，值得临床推广使用。
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