Effect of maxillary anterior supernumerary tooth extraction on the underlying malocclusion.

IF 1.4 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Journal of Orthodontics Pub Date : 2024-03-01 Epub Date: 2023-05-04 DOI:10.1177/14653125231172211

Radka Cholakova, Konstantin Georgiev

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Abstract

Introduction: Orthodontic discrepancies are a common finding in patients with supernumerary teeth (ST). The presence of a ST can cause a number of orthodontic discrepancies, including delayed eruption or retention of adjacent teeth, crowding, spacing, and abnormal root formation. The aim of the present study was to assess the effect of extraction of an anterior supernumerary tooth on the underlying orthodontic discrepancies without additional treatment for a 6-month period.

Methods: This was a prospective, longitudinal, observational, study. It included 40 participants with orthodontic malocclusions due to maxillary anterior supernumeraries. We examined the changes in the crowding and excessive space in the anterior and posterior segments on cast models.

Results: In the group that presented with crowding, a statistically significant decrease of 0.95 ± 0.17 mm (P < 0.001) was found between T0 and T1. Of the participants, three exhibited full self-correction. The excessive space at T0 (3.06 mm) decreased by 1.78 ± 0.19 mm to T1 (1.28 mm) in the anterior segment. Seven participants showed full self-correction of the diastemas after the 6-month observation period.

Conclusion: The results imply that orthodontic treatment can be postponed for at least 6 months after the extraction of the supernumerary tooth as potential self-correction can be expected. This natural alleviation of the malocclusions may make the orthodontic treatment simpler, shorten the treatment time and decrease overall appliance wear time.

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上颌前方超常牙拔除术对潜在错合畸形的影响。

简介：畸齿畸形是超常牙（ST）患者的常见病。超常牙的存在可导致一系列正畸差异，包括相邻牙齿的延迟萌出或滞留、拥挤、间距和异常牙根形成。本研究的目的是评估在不进行额外治疗的情况下，拔除一颗前方超常牙 6 个月对潜在正畸差异的影响：这是一项前瞻性纵向观察研究。方法：这是一项前瞻性、纵向、观察性研究，研究对象包括 40 名因上颌前方超常牙导致畸形的患者。我们在铸造模型上检查了前后段拥挤和过大空间的变化：在出现拥挤的组别中，T0 和 T1 之间的差距为 0.95 ± 0.17 mm（P < 0.001），差异有统计学意义。其中有三位参与者表现出完全的自我矫正。T0（3.06 毫米）时，前段的过大空间减少了 1.78 ± 0.19 毫米，T1 时为 1.28 毫米。在 6 个月的观察期后，7 名参与者的牙间隙完全自行矫正：结果表明，拔除多余牙齿后，正畸治疗可以推迟至少 6 个月，因为可以预期潜在的自我矫正。这种错合畸形的自然缓解可能会使正畸治疗变得更简单，缩短治疗时间并减少矫治器的总体佩戴时间。

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

Journal of Orthodontics DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

2.60

自引率

15.40%

发文量

期刊介绍： The Journal of Orthodontics has an international circulation, publishing papers from throughout the world. The official journal of the British Orthodontic Society, it aims to publish high quality, evidence-based, clinically orientated or clinically relevant original research papers that will underpin evidence based orthodontic care. It particularly welcomes reports on prospective research into different treatment methods and techniques but also systematic reviews, meta-analyses and studies which will stimulate interest in new developments. Regular features include original papers on clinically relevant topics, clinical case reports, reviews of the orthodontic literature, editorials, book reviews, correspondence and other features of interest to the orthodontic community. The Journal is published in full colour throughout.