The maxillary first molars of the oblique side inclined more buccally, and the mandibular first molars of the oblique side inclined more lingually. 偏斜侧上颌第一恒磨牙更加向颊侧倾斜,下颌第一恒磨牙更加向舌侧倾斜。
In bilateral molars loss occlusion, the main stress of the remaining teeth directed more mesial-lingually than that of the normal occlusion and the main stress values also increased abnormally. 当双侧下颌磨牙同时缺失时,余留牙的根尖主应力明显比正常更偏向近中舌侧,而且其上的应力水平也异常增高;