论文部分内容阅读
目的:分析鞍山地区错牙合畸形患者的Bolton指数及Bolton指数不调发生率的分布情况。方法:选择150例错牙合畸形患者的记存模型,安氏Ⅰ、Ⅱ、Ⅲ类错颌患者各50例,分别测量上、下颌前牙量和全牙量,计算Bolton指数值并对其分布进行分析。结果:鞍山地区安氏Ⅲ类错牙合畸形患者的前牙及全牙Bolton指数均大于安氏Ⅱ类,具有显著性差异(P<0.05);鞍山地区错牙合畸形患者的前牙比及全牙比不调的发生率分别为21.33%、13.33%,但是不同安氏分类间差异无统计学意义(P>0.05)。结论:鞍山地区错牙合患者的Bolton指数异常不是错牙合畸形发生的主要原因,但在临床制定矫治计划时应予以考虑。
Objective: To analyze the distribution of Bolton index and Bolton index incapacity in the patients with malocclusion in Anshan. Methods: The memory model of 150 patients with malocclusion was selected, and 50 patients with Class Ⅰ, Ⅱ, Ⅲ malocclusion were selected. The upper and lower jaw anterior teeth and total teeth were measured, Bolton index Distribution for analysis. Results: The anterior teeth group and the whole-jaw Bolton index of the patients with Class-III malocclusion in Anshan were all higher than those in Class-Ⅱ, with significant difference (P <0.05). The anterior teeth ratio of patients with malocclusion in Anshan area and The incidence of total tooth ratio was 21.33% and 13.33%, respectively, but there was no significant difference between different Angle classification (P> 0.05). Conclusion: The abnormal Bolton index in patients with malocclusion in Anshan district is not the main cause of malocclusion. However, it should be considered in clinical planning.