下颌角
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1、成人下颌角为()
成人下颌角为()A140°~160°B130°~140°C120°~125°D125°E<0°
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12岁时下颌角为()A140°~160°B130°~140°C120°~125°D125°E<0°
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乳牙建完成时下颌角为()A100°~120°B120°~125°C130°~140°D140°~160°E150°~170°
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4、成人下颌角为()
成人下颌角为()A140°~160°B130°~140°C120°~125°D125°E<0°
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12岁时下颌角为()A140°~160°B130°~140°C120°~125°D125°E<0°
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固定下颌角,防止下颌过度向前移动的韧带是()。A髁下颌韧带B蝶下颌韧带C翼下颌韧带D茎突下颌韧带