透明矫正器与固定矫治器牙槽骨变化及根尖吸收的定量三维比较研究。

IF 4.8 2区 医学 Q1 Dentistry Progress in Orthodontics Pub Date : 2023-02-27 DOI:10.1186/s40510-023-00458-3
Ibtehal Almagrami, Abeer A Almashraqi, Bushra Sufyan Almaqrami, Amin S Mohamed, Khaled Wafaie, Maher Al-Balaa, Yiqiang Qiao
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引用次数: 2

摘要

背景:本研究旨在通过锥形束计算机断层扫描(CBCT)评估和比较接受透明矫正器(CA)和传统固定矫治器(FA)治疗的上颌门牙正畸诱导的炎症性牙根吸收(OIIRR)的患病率和严重程度。方法:选取基线特征相似的40例患者160颗上颌切牙,根据美国正畸委员会差异指数评分分为CA组和FA组。采用治疗前(T0)和治疗后(T1) CBCT分析牙槽牙的定量变化。测量参数包括牙槽骨厚度(ABT)、牙槽骨高度(ABH)、牙根长度(OIIRR)和上颌切牙倾斜度。结果:FA组治疗后中、侧切牙平均腭ABT和总ABT均显著降低。相比之下,CA组侧切牙的平均唇侧ABT明显下降。在ABH方面,两组均表现出明显的唇缘和腭缘骨吸收。两组患者治疗后根长均显著减少(p)。结论:CA和FA治疗明显降低了上颌切牙区域的ABT,统计学上显著增加了上颌切牙区域的OIIRR, FA治疗的预期效果更大。然而,两组病例中大多数病例的OIIRR值升高没有临床意义。两种治疗方式均可显著减少ABH, CA组侧切牙唇侧ABH减少最多。
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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A quantitative three-dimensional comparative study of alveolar bone changes and apical root resorption between clear aligners and fixed orthodontic appliances.

Background: This study aimed to evaluate and compare the alveolar bone changes and to investigate the prevalence and severity of orthodontically induced inflammatory root resorption (OIIRR) of maxillary incisors in patients who received treatment with clear aligners (CA) versus conventional fixed appliances (FA), using cone-beam computed tomography (CBCT).

Methods: One hundred sixty maxillary incisors from 40 patients with similar baseline characteristics based on the American Board of Orthodontics discrepancy index scores were divided into the CA and FA groups. The dentoalveolar quantitative changes were analyzed using pre- (T0) and post-treatment (T1) CBCT. The measured parameters included alveolar bone thickness (ABT), alveolar bone height (ABH), root length (OIIRR), and maxillary incisor inclinations.

Results: Post-treatment, the average palatal and total ABT significantly decreased in central and lateral incisors in the FA group. In contrast, the CA group's average labial ABT of the lateral incisors decreased considerably. Regarding the ABH, both groups showed significant labial and palatal marginal bone resorption. In both groups, root lengths significantly decreased after treatment (p < 0.005). The inter-group comparison revealed that ABT and root length had significantly decreased in the FA group compared to the CA group, while the ABH showed no significant difference between the two groups. The mean absolute reductions of ABT and OIIRR in the CA group were significantly less (- 0.01 ± 0.89 and 0.31 ± 0.42) than those in the FA group (0.20 ± 0.82 and 0.68 ± 0.97), respectively.

Conclusions: CA and FA treatments appear to cause a significant ABT reduction and a statistically significant increased OIIRR in the maxillary incisor region, with a greater extent expected with FA treatment. However, the increased OIIRR values in the majority of both groups' cases were not clinically significant. Both treatment modalities resulted in a significant ABH reduction, with the highest found in the labial side of lateral incisors in the CA group.

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来源期刊
Progress in Orthodontics
Progress in Orthodontics Dentistry-Orthodontics
CiteScore
7.30
自引率
4.20%
发文量
45
审稿时长
13 weeks
期刊介绍: Progress in Orthodontics is a fully open access, international journal owned by the Italian Society of Orthodontics and published under the brand SpringerOpen. The Society is currently covering all publication costs so there are no article processing charges for authors. It is a premier journal of international scope that fosters orthodontic research, including both basic research and development of innovative clinical techniques, with an emphasis on the following areas: • Mechanisms to improve orthodontics • Clinical studies and control animal studies • Orthodontics and genetics, genomics • Temporomandibular joint (TMJ) control clinical trials • Efficacy of orthodontic appliances and animal models • Systematic reviews and meta analyses • Mechanisms to speed orthodontic treatment Progress in Orthodontics will consider for publication only meritorious and original contributions. These may be: • Original articles reporting the findings of clinical trials, clinically relevant basic scientific investigations, or novel therapeutic or diagnostic systems • Review articles on current topics • Articles on novel techniques and clinical tools • Articles of contemporary interest
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