上颌突(maxillary process)和下颌突 (mandibular process):第一鳃弓腹侧部分分 叉为上、下两支而形成。左、右下颌突很快在 腹侧中线融合形成一个整体。
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... 下颌弓 即第一对鳃弓nmandibular arch 下颌突 mandibular prominence 下胚层 两胚层胚盘的下层细胞nhypoblast ...
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下颌突出的 underhung
下颌突距 Pg-G
下颌突出 hypognathous
下颌前突 [口腔] Mandibular Prognathism ; [口腔] prognathism
腮腺下颌突 retromandibular process of parotid gland
茎突下颌韧带 [解剖] stylomandibular ligament ; [解剖] ligamentum stylomandibulare ; stylomandibular lig
下颌髁突 mandibular condyle
下颌窝后突 postglenoid process
下颌喙突 mandibular process
从无牙颌位到正中关系位下颌突度减小;
The changes of the mandibular protrusionreduce from the edentulous position to the centric relation position.
随着生长,男女上颌相对于颅底的位置无显著变化,而下颌突度增加;
With growth, the maxillary position which related to the cranial base was remained relatively constant while the mandible continually protruded forward.
无牙颌建位与正常人位无显著差异,从无牙颌位至最大张口位下颌突度的变化差异显著。
From the edentulous position to the largest open position, the mandibular protrusion showed marked difference at 5% level of significance.
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