Prevalence and predictive parameters of external root resorption caused by retained wisdom teeth.

IF 3.1 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Clinical Oral Investigations Pub Date : 2024-10-09 DOI:10.1007/s00784-024-05964-0

Frederik Baensch, Wilhelm Meißner, Lena Will, Martin Kunkel

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Abstract

Objectives: The aim of this study was to estimate the prevalence and severity of external root resorption (RR) caused by retained third molars (M3), to compare the sensitivity of panoramic radiography (PAN) and cone beam computed tomography (CBCT) and to determine predictive factors for root resorption.

Materials and methods: In a retrospective cross-sectional analysis, we included patients (N = 367) who underwent PAN and CBCT imaging between December 2017 and July 2019. Previous orthodontic treatment, age, gender, superimposition of second molars (M2) and M3 on PAN, retention depth, inclination angle and vertical level of contact with the M2 were used as predictor variables. The outcome variable was RR of the M2, graded according to Ericson et al. [1]. Subgroup analyses compared patients with and without suspected resorption in the PAN.

Results: While less than 5% of PANs suggested RR associated with M3, CBCT showed RR in 20% of all M2 with adjacent retained M3. The angle of inclination of M3, patient age and vertical level of molar contact emerged as predictive parameters, with mesial inclination, older age and deeper retention associated with increased severity of M2.

Conclusion: Within the limitations of our study, these data confirm the poor performance of PAN in the diagnosis of RR. CBCT may be helpful in detecting RR in mesioangulated and deeply retained M3 in elderly patients, even when PAN did not suggest pathology.

Clinical relevance: Our study may help to decide whether CBCT should be considered prior to M3 surgery.

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智齿滞留引起的外牙根吸收的发生率和预测参数。

研究目的本研究旨在估算滞留第三磨牙（M3）引起的外牙根吸收（RR）的患病率和严重程度，比较全景放射摄影（PAN）和锥束计算机断层扫描（CBCT）的灵敏度，并确定牙根吸收的预测因素：在一项回顾性横断面分析中，我们纳入了2017年12月至2019年7月期间接受PAN和CBCT成像的患者（N = 367）。先前的正畸治疗、年龄、性别、第二磨牙（M2）和 M3 在 PAN 上的叠加、固位深度、倾斜角和与 M2 接触的垂直水平被用作预测变量。结果变量是 M2 的 RR，根据 Ericson 等人的研究[1]进行分级。分组分析比较了PAN中存在和不存在疑似吸收的患者：虽然只有不到5%的PAN显示与M3相关的RR，但在所有M2中，有20%的CBCT显示与邻近的保留M3相关的RR。M3的倾斜角度、患者年龄和臼齿接触的垂直水平成为预测参数，其中中倾角、年龄较大和滞留较深与M2的严重程度增加有关：在我们研究的局限性范围内，这些数据证实了 PAN 在 RR 诊断中的不良表现。即使 PAN 没有提示病变，CBCT 也可能有助于检测老年患者中轴和深度保留 M3 的 RR：临床相关性：我们的研究可能有助于决定是否应在 M3 手术前考虑 CBCT。

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

Clinical Oral Investigations 医学-牙科与口腔外科

CiteScore

6.30

自引率

5.90%

发文量

484

审稿时长

3 months

期刊介绍： The journal Clinical Oral Investigations is a multidisciplinary, international forum for publication of research from all fields of oral medicine. The journal publishes original scientific articles and invited reviews which provide up-to-date results of basic and clinical studies in oral and maxillofacial science and medicine. The aim is to clarify the relevance of new results to modern practice, for an international readership. Coverage includes maxillofacial and oral surgery, prosthetics and restorative dentistry, operative dentistry, endodontics, periodontology, orthodontics, dental materials science, clinical trials, epidemiology, pedodontics, oral implant, preventive dentistiry, oral pathology, oral basic sciences and more.