用数显游标卡尺测量实验组模型牙冠高度，牙弓宽度和长度，计算出临床冠中心高度，并与对照组进行对比分析研究。
The height of crowns, the center height of clinical crowns, and the width and length of the dental arch were measured with a digital vernier calliper.
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.
测量两组尖牙牙弓宽度、磨牙牙弓宽度及磨牙牙槽弓宽度，并计算上、下颌对应的牙弓、牙槽弓宽度差。
The inter-canine, inter-molar and alveolar widths were measured and the differences between maxillary and mandible width calculated.
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