单颌与双颌正颌手术后面部软硬组织变化的对比研究

Chinese Journal of Aesthetic Medicine(2010)

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Abstract
目的:对比分析骨性安氏Ⅲ类错畸形正手术后面部软硬组织的变化特点。方法:选择成人骨性Ⅲ类错20例,对其手术前后头颅侧位片进行测量分析。结果:G-Sn-Pg',Cm-Sn-UL,S-N'-Sn,UL-E的改变,两组有所不同。B'与B,PoS与Po,GnS与Gn以及MeS与Me具有高度的相关性。软硬组织位移变化率双颌组均小于单颌组。结论:鼻唇关系差的骨性Ⅲ类错最好做双颌手术。软硬组织位移比率:双颌手术中上颌小于下颌,且单颌手术高于双颌手术;软硬组织相关性:双颌手术中下颌比上颌强,且单颌比双颌强。
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Key words
facial soft tissue profile,X-ray cephalometry,orthognathic surgery,skeletal class Ⅲ malocclusion
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