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在20例头部标本上观察面神经颞、颧支在眼轮匝肌内的分布。颞支平均3.5支,颧支平均3.6支。颞、颧支入肌点的数目分别为5.2支和4.4支。面神经颞、颧支入肌点至外眦点的距离,多在20.0～31.5mm之间。颞、颧支至肌外缘的最短距离为2.5～8.0mm之间。眶部缺损修补术可在外眦点外20.0～31.5mm以内的范围分离眼轮匝肌,不致损伤面神经颞、颧支的肌外支,较为安全。
The facial nerve temporal and zygomatic branches were observed in the orbicularis muscle of 20 patients. Temporal branch of an average of 3.5, an average of 3.6 zygomatic branches. Temporal, zygomatic branches into the number of points were 5.2 and 4.4. Facial nerve temporal, zygomatic muscle into the points to the point of the mastiff, mostly between 20.0 ~ 31.5mm. Temporal, zygomatic branch to the outer edge of the shortest distance between 2.5 ~ 8.0mm. Orbital defect repair surgery within 20.0 ~ 31.5mm outside the point outside the orbicularis orifices, facial nerve will not damage the facial and zygomatic branches, more secure.