论文部分内容阅读
目的:探讨拔除上颌第二磨牙矫治安氏Ⅱ类错的临床效果,并分析其远期稳定性。方法:选取8例在我院牙科拔除上颌第二磨牙矫治安氏Ⅱ类错的患者,对其矫治的临床效果进行分析,并进行追踪观察,探讨其远期稳定性。结果:8例患者中,3例采取单侧上颌第二磨牙拔除,5例采取双侧拔除,治疗结果都较满意,上下牙列较为整齐,磨牙与尖牙建立中性关系,面型较治疗前有明显改善;而追踪观察结果显示,拔除上颌第二磨牙矫治安氏Ⅱ类错牙合的临床效果较为稳定。结论:拔除上颌第二磨牙矫治安氏Ⅱ类错,临床效果显著,且具有远期稳定性,值得推广。
Objective: To investigate the clinical effect of removing maxillary second molars in treating Class Ⅱ malocclusion and analyze its long-term stability. Methods: Eight patients with Class Ⅱ malocclusion treated by dental extraction of the maxillary second molars in our hospital were selected. Their clinical effects were analyzed and followed up to investigate their long-term stability. Results: Among 8 patients, unilateral maxillary second molar removal was performed in 3 cases and bilateral extraction was performed in 5 cases. The treatment results were satisfactory, the upper and lower dentition were neat, the molar and canine had a neutral relationship, Before the obvious improvement; and follow-up observation showed that removal of the maxillary second molar treatment of Class Ⅱ malocclusion clinical effect is more stable. Conclusion: The removal of maxillary second molar treatment of Class Ⅱ malocclusion, the clinical effect is significant, and has long-term stability, it is worth promoting.