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首页> 外文期刊>Indian Journal of Dental Research >Treatment of class II malocclusion and unerupted upper canines with self-ligating appliance
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Treatment of class II malocclusion and unerupted upper canines with self-ligating appliance

机译：自锁矫治器治疗II类错牙合畸形和上颌尖牙

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摘要

Treatments without tooth extractions have become more popular over the last two decades. In this context, expansion of the maxillary arch is an interesting treatment option for cases in which space is required and other factors not favoring extractions (such as the facial profile) are present. According to several authors, this posterior expansion can be obtained using a system comprising self-ligating brackets and superelastic nickel-titanium arches. The present article aims to report a case of a young patient with Class II, Division 2 malocclusion, with impacted upper canines and significant arch length-tooth discrepancy. Methods: The case was treated by means of a passive self-ligating appliance in association with Class II elastics and coil spring for distalizing the molars. This treatment alternative was effective for correcting Class II and obtaining space to correct tooth positioning.
机译：在过去的二十年中，没有拔牙的治疗方法变得越来越流行。在这种情况下，对于需要空间且存在其他不利于拔除的因素（例如面部轮廓）的情况，上颌弓的扩张是一种有趣的治疗选择。根据几位作者的说法，可以使用包括自结扎支架和超弹性镍钛弓的系统获得这种后向扩张。本文旨在报告一例第二类2分类错牙合畸形的年轻患者，该患者上犬齿受累，足弓长齿差异明显。方法：通过被动自结扎装置结合II类松紧带和螺旋弹簧治疗臼齿。这种治疗方法对于矫正II级并获得空间来矫正牙齿位置是有效的。

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