Improved super-elastic Ti-Ni alloy wire for the angle class III patient with anterior open bite: A case report.

IF 1 4区医学 Q3 MEDICINE, GENERAL & INTERNAL

World Journal of Clinical Cases Pub Date : 2025-05-26 DOI:10.12998/wjcc.v13.i15.101884

Yu Fan, Jian-Hong Yu, Yuan-Hou Chen

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Abstract

Background: Orthodontic treatment for open bite and crossbite cases is always challenging. In this paper, we demonstrate a skeletal class III patient with anterior open bite and crossbite whose problem was successfully corrected with improved super-elastic Ti-Ni alloy wire (ISW).

Case summary: A 19 years old male came to our clinic with a chief complaint of anterior open bite and crossbite and not able to chew food well. Clinical examination revealed an angle class III malocclusion with anterior open bite, crossbite and spaced arch. Radiographic and clinical examination showed a skeletal class III pattern. We used ISW to level the upper and lower arch and to correct the anterior open bite and crossbite. Intermaxillary elastics were also used to achieve a better interdigitation. Finally, adequate overbite, overjet and a desirable occlusion were achieved. The active treatment time took 2 years and 2 months.

Conclusion: In a case of class III angular malocclusion with open bite and crossbite in the anterior teeth, ideal results were achieved using the ISW technique and the patient was satisfied with the outcome.

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改良超弹性钛镍合金丝治疗前牙开咬角III级患者1例。

背景：正畸治疗对开放咬合和交叉咬合病例一直具有挑战性。在本文中，我们展示了骨骼III类患者的前开咬和十字咬，其问题成功地纠正了改进的超弹性Ti-Ni合金丝（ISW）。病例总结：一名19岁男性前来就诊，主诉为前牙开咬和交叉咬，不能很好地咀嚼食物。临床检查发现一个角型III型错牙合，伴有前开牙合、十字牙合和间隙弓。影像学和临床检查显示骨骼III型型。我们使用ISW矫直上、下弓，矫正前牙合和交叉牙合。上颌间弹力也用于实现更好的交叉。最后，获得了适当的复咬合、复咬合和理想的咬合。积极治疗时间2年2个月。结论：对1例前牙开牙合交叉牙合的III类角型错牙合，采用ISW技术可获得理想效果，患者满意。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

World Journal of Clinical Cases Medicine-General Medicine

自引率

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发文量

3384

期刊介绍： The World Journal of Clinical Cases (WJCC) is a high-quality, peer reviewed, open-access journal. The primary task of WJCC is to rapidly publish high-quality original articles, reviews, editorials, and case reports in the field of clinical cases. In order to promote productive academic communication, the peer review process for the WJCC is transparent; to this end, all published manuscripts are accompanied by the anonymized reviewers’ comments as well as the authors’ responses. The primary aims of the WJCC are to improve diagnostic, therapeutic and preventive modalities and the skills of clinicians and to guide clinical practice in clinical cases.