Result The increase of width of dental arch and basal bone has statistically significant difference.

结果治疗后牙弓、基骨的宽度比治疗前增加,统计学分析有显著性差异.

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Palatal expansion is frequently applied in correction of maxillary transverse deficiency and upper dental arch constriction.

腭扩展是正畸常用的矫治上颌横向发育不足及上颌牙弓狭窄的固定矫治技术.

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Objective To provide parameter data of normal anterior teeth and dental arch for bite mark analysis.

目的为咬痕分析提供正常人前牙及前牙弓参数的依据.

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