结论：上、下牙弓宽度不调与牙周病有密切关系。

CONCLUSION: the dis-coordination of the dental arch width in maxilla and mandible has an affinity with periodontal disease.

youdao

结果（1）单侧完全性唇腭裂术后患者中出现上下颌牙弓宽度不调的比率为6 0 .4 % ，双侧后牙反为33.3% ，单侧后牙反为16 .7%。

Results (1)Dental arch transverse discrepancy was seen in 60.4% , bilateral posterior crossbite in 33.3% , and unilateral posterior crossbite in 16.7% of patients with UCLP, respectively .

youdao

②肌位牙位不调与否的两组间在上下牙弓后段宽度上存在差异；

Significant difference of the posterior arch-widths was observed between the group with and without ICP-MCP discrepancy.

youdao