某男性患者，30岁。张口受限1周，下颌前伸时左侧颞下区疼痛，开口型偏右，诊断为咀嚼肌痉挛，是何肌痉挛A.左侧颞肌 B.右翼内肌 C.左翼内肌 D.右...

作者: tihaiku 人气: - 评论: 0

问题某男性患者，30岁。张口受限1周，下颌前伸时左侧颞下区疼痛，开口型偏右，诊断为咀嚼肌痉挛，是何肌痉挛

选项 A.左侧颞肌 B.右翼内肌 C.左翼内肌 D.右翼外肌 E.左翼外肌

答案 E

解析颞肌、翼内肌、咬肌主要功能为提下颌骨；翼外肌双侧收缩时下颌前身运动，单侧收缩，下颌偏向对侧，据此可得出判断。

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