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目的探讨单侧完全性唇腭裂患者(UCLP)牙弓形态学特征。方法 40名UCLP男性患者作为研究样本,以普通安氏Ⅲ类患者为对照,采用模型测量方法,探讨UCLP牙弓形态学特征。结果 UCLP组尖牙、第一双尖牙区上下牙弓宽度差明显小于对照组,并且伴随生长发育UCLP组尖牙及第二双尖牙区上下牙弓宽度差明显减小。结论 UCLP患者上牙弓缩窄以尖牙及双尖牙区明显,伴随生长发育上牙弓前中段宽度受限更加明显。
Objective To investigate the dental arch morphological features in unilateral complete cleft lip and palate patients (UCLP). Methods Forty male UCLP patients were selected as the study samples. The clinical data of the patients with Class Ⅲ malocclusion were used to investigate the dental arch morphological characteristics of UCLP. Results The width difference of dental arch between upper teeth and lower teeth of UCLP group was obviously smaller than that of control group, and the width difference of upper and lower dental arch between UCLP group and second pair canines decreased obviously. Conclusions The upper arch of the upper limb of the patients with UCLP is narrowed to have a sharp canine and bicuspid area.