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首页> 外文期刊>Dental Press Journal of Orthodontics >Treatment of Class II malocclusion with bialveolar protrusion by means of unusual extractions and anchorage mini-implant
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Treatment of Class II malocclusion with bialveolar protrusion by means of unusual extractions and anchorage mini-implant

机译：异常拔牙和微植体植入治疗双牙槽突出的II类错牙合

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INTRODUCTION: Patients with dental Class II bialveolar protrusion are generally treated by extracting the four first premolars or two first and two second premolars, and retracting the anterior teeth. This case report describes the treatment of an adult patient with bialveolar protrusion, a Class II canine and molar relationship, and lip protrusion. METHODS: In this patient, the maxillary right second molar (1.7) had to be extracted due to extensive caries. To create sufficient space to retract the anterior teeth, the maxillary right posterior teeth were distalized with a maxillary posterior mini-implant (1.2~1.3 mm in diameter, 10 mm long), which was placed into the maxillary tuberosity area and allowed an en masse retraction of the maxillary anterior teeth. RESULTS: Overall, mini-implant can provide anchorage to produce a good facial profile even without additional premolar extraction in cases of dental Class II bialveolar protrusion with the hopeless second molar. CONCLUSION: The total treatment period was 42 months and the results were acceptable for 34 months after debonding.
机译：简介：通常，通过拔出四个第一前磨牙或两个第一和两个第二前磨牙并缩回前牙来治疗具有II类牙科双牙槽突的患者。该病例报告描述了患有双肺泡突出，II类犬与臼齿关系以及嘴唇突出的成年患者的治疗方法。方法：该例患者由于广泛的龋齿而不得不拔出上颌右第二磨牙（1.7）。为了留出足够的空间来缩回前牙，将上颌后牙微型植入物（直径1.2〜1.3 mm，长10 mm）向远侧远端后牙放置，将其放置在上颌结节区域并允许上颌前牙回缩。结果：总体而言，对于没有希望的第二磨牙的II类牙齿的双牙槽突，即使没有额外的前磨牙拔除，微型植入物也可以提供锚固以产生良好的面部轮廓。结论：总治疗期为42个月，剥离后34个月的结果可接受。

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