目的：在上颌总义齿不同牙位干扰时，对基托中线的应变变化进行比较研究。
Objective: This article was a comparative study on the strain distribution along midline of maxillary complete denture base in occlusal interferences at different sites.
目的在平衡牙合及非平衡牙合状态下，对上颌总义齿沿基托中线应变分布进行比较研究。
Objective To study the strain distribution along midline of maxillary complete denture base under the condition of balanced and unbalanced occlusion.
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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