Soft tissue structures may herniate into the maxillary sinus, leading to entrapment and vertical diplopia (arrow).
软组织结构可能会疝入上颌窦中，导致局部压迫和垂直性复视（箭头所指）。
PURPOSE: To introduce the experience of repairing tissue defects with vertical trapezius musculocutaneous flap after radical resection of occipital tumors simultaneously.
目的：介绍应用垂直斜方肌肌皮瓣同期修复枕部肿瘤切除术后组织缺损的临床经验。
Objective To investigate the changes of hard tissue changes in vertical dimension when applying maxillary protraction combined with rapid maxillary expansion.
目的研究联合应用上颌前方牵引及快速扩大对硬组织垂直向的作用。
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