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当前学科：口腔急诊科
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男性，30岁，颌面部受击打3小时。口腔检查：下颌颏部软组织红肿，口腔内外未见创口，咬合关系无异常，下颌正位片示下颌颏部正中有骨折线影像。正确的固定方法是（）
A . 手术切开骨间固定
B . 牙弓夹板固定
C . 骨钉加金属支架固定
D . 克氏针内固定
E . 皮质骨螺钉固定
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