论文部分内容阅读
目的探究咀嚼效率在安氏Ⅱ类一分类错青年患者正畸过程中的变化,总结临床经验。方法将接受正畸治疗的安氏Ⅱ类一分类错畸形的青年患者归为观察组,将30例牙列正常青年人纳入对照组,观察其咀嚼效率并进行比较;两组入选者均为2013年12月至2014年6月郑州大学第一附属医院接受治疗及咨询的患者。结果在治疗前观察组和对照组的咀嚼功能存在明显的差异,且差异具有统计学意义(P<0.05)。经过正畸治疗咀嚼功能逐渐改善,保持一年(T4)比较观察组和对照组的咀嚼效率差异不具有统计学意义(P>0.05)。结论通过分析观察组正畸过程中咀嚼效率的变化发现安氏Ⅱ类一分类错青年患者的临床状况逐渐好转,在维持1年的固定重建后和健康者明显较为接近,因此正畸干预值得在临床中借鉴。
Objective To investigate the changes of masticatory efficiency in orthodontic treatment of Class Ⅱ malocclusion patients and summarize the clinical experience. Methods The young patients with Class Ⅱ malocclusion under orthodontic treatment were divided into observation group and 30 normal dentition young people were included in the control group to observe the chewing efficiency and compare them; From December 2013 to June 2014, patients treated and counseled at First Affiliated Hospital of Zhengzhou University. Results There were significant differences in masticatory function between the observation group and the control group before treatment, and the difference was statistically significant (P <0.05). After orthodontic treatment, the chewing function gradually improved, maintaining one year (T4) compared the chewing efficiency difference between the observation group and the control group was not statistically significant (P> 0.05). Conclusion The changes of masticatory efficiency in the observation group during orthodontic treatment showed that the clinical status of Class Ⅱ division Ⅰ malocclusion patients gradually improved, which was obviously close to normal after one-year fixed reconstruction and therefore orthodontic intervention was worth Reference in the clinic.