Association between 3D characteristics of single unilaterally impacted mesiodens and root development of adjacent maxillary central incisors: a retrospective study with cone-beam computed tomography.

IF 1.6 3区医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Oral Radiology Pub Date : 2025-05-14 DOI:10.1007/s11282-025-00829-y

Shengjun Yang, Ben Lu, Jingyi Liu, Haochuan Yang, Yuan Si, Dongmiao Wang

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引用次数: 0

Abstract

Objectives: This study aimed to evaluate the detrimental effects of single unilaterally impacted mesiodens on the root development of adjacent maxillary central incisors and to explore the key influencing factors.

Methods: A total of 552 patients aged 5-12 years with single unilaterally impacted mesiodens were included in the study. The maxillary central incisor with greater overlap with the mesiodens in the coronal view was identified as the affected tooth, while the contralateral central incisor served as the control one. Cone-beam computed tomography (CBCT) data for these patients were retrospectively analyzed to compare the root lengths and root formation stages of the maxillary central incisors on both sides. Multivariate logistic regression and generalized linear models were used to investigate the critical 3-dimensional (3D) characteristics that influence the root development of adjacent maxillary central incisors.

Results: Maxillary central incisors on the affected side exhibited significantly shorter root lengths and less-advanced root formation stages compared to those on the control side. Impacted mesiodens with tuberculate or germ morphology, normal or undefined orientation, and a position superior to dental cervix of contralateral central incisor were associated with higher risk of impairing root development of adjacent central incisors.

Conclusions: Impacted mesiodens can impair the root development of adjacent central incisors. Early removal of high-risk mesiodens is essential for safeguarding the future development of adjacent maxillary central incisors.

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单侧阻生中牙三维特征与邻近上颌中切牙牙根发育的关系：锥束计算机断层扫描的回顾性研究。

目的：评价单侧阻生中牙对邻近上颌中切牙牙根发育的影响，探讨其主要影响因素。方法：选取552例5 ~ 12岁单侧中牙阻生患者作为研究对象。以冠状面与中牙重叠较大的上颌中切牙为患牙，对侧中切牙为对照。回顾性分析这些患者的锥束计算机断层扫描（CBCT）数据，比较双方上颌中切牙的根长度和根形成阶段。采用多元逻辑回归和广义线性模型研究影响邻颌中切牙牙根发育的关键三维特征。结果：患侧上颌中切牙的根长明显短于正常侧，根形成阶段明显落后于正常侧。中牙阻生形态为结核状或胚芽状，取向正常或不明确，且位置高于对侧中切牙的牙颈，与相邻中切牙根发育受损的风险较高相关。结论：中牙阻生可影响邻近中切牙牙根发育。早期拔除高危中切牙对于保障邻近上颌中切牙的未来发育至关重要。

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

Oral Radiology DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

4.20

自引率

13.60%

发文量

审稿时长

>12 weeks

期刊介绍： As the official English-language journal of the Japanese Society for Oral and Maxillofacial Radiology and the Asian Academy of Oral and Maxillofacial Radiology, Oral Radiology is intended to be a forum for international collaboration in head and neck diagnostic imaging and all related fields. Oral Radiology features cutting-edge research papers, review articles, case reports, and technical notes from both the clinical and experimental fields. As membership in the Society is not a prerequisite, contributions are welcome from researchers and clinicians worldwide.