Results Upper arch was asymmetry in these patients, the arch width of deviated side (the side that the chin was deviated to) was broader than the other side.

• 结果骨性下颌前突伴偏斜患者的上牙弓左右不对称,偏斜侧(下颌颏部所指向的一侧)牙弓宽度明显大于对侧。