牙齿前突 tooth extraction ; eeth protrusion
单纯双牙弓前突 bimaxillary dentoalveolar protrusion
牙弓前突 protraction of dental arch
前突牙
Prognathous teeth
以上为机器翻译结果，长、整句建议使用 人工翻译 。
方法测量11例骨性下颌前突伴偏斜患者治疗前模型，将上颌腭中缝作为中线标准，测量牙弓两侧同名牙接触点到腭中缝的距离，观测牙弓的对称性。
Methods Measurement of 11 dental models was performed, midline of palate was defined as central line, the distance of every contact point to the midline was measured in each side.
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