利用计算机断层扫描分析自体牙移植牙根发育的新方法

IF 2.3 3区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Dental Traumatology Pub Date : 2024-11-02 DOI:10.1111/edt.13006
Ludimila Saiter Assis Beltrame, Juliana Delatorre Bronzato, Tereza Jacy da Silva Almeida, João Batista Gagno Intra, Cleber Freitas de Britto, Marcos Frozoni
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引用次数: 0

摘要

简介:本研究旨在利用锥束计算机断层扫描(CBCT)图像评估自体移植牙齿的牙根发育情况:本研究旨在利用锥束计算机断层扫描(CBCT)图像评估自体移植牙的牙根发育情况:方法:选取 12 颗牙根未完全形成的前臼齿(用于替代过早脱落的上中切牙),在两个不同的场合进行 CBCT 分析。第一次 CBCT 检查(T1)在牙齿自动移植前进行。第二次 CBCT 检查(T2)在至少 12 个月的随访期内进行:T1 和 T2 之间的平均间隔时间为 962 天/2.6 年。ICC > 0.75。T2 测量值明显大于 T1 测量值(p = 0.001)。根长平均增加了 2.83 毫米。牙根长度的增加与 T1 和 T2 之间的时间间隔无明显相关性(p = 0.413;r = 0.261):结论:移植到上中切牙区域的牙根未完全形成的前磨牙在术后随访期间显示出持续的牙根发育。
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A New Approach for Analyzing Root Development in Autogenous Tooth Transplants Using Computed Tomography.

Introduction: The aim of this study was to evaluate root development in autotransplanted teeth using cone-beam computed tomography (CBCT) images.

Methods: Twelve premolars with incomplete root formation, which were selected to replace prematurely lost upper central incisors, were analyzed by CBCT on two different occasions. The first CBCT examination (T1) was conducted before tooth autotransplantation. The second CBCT examination (T2) was performed over a follow-up period of at least 12 months and < 5 years. Three previously calibrated evaluators assessed root development. The positions of the tomographic planes were standardized. The mean root length in sagittal and coronal tomographic sections was used to validate the root length at T1 and T2. Longitudinal root development of the transplanted tooth was determined by calculating the difference in root length between T2 and T1. The intraclass correlation coefficient (ICC), paired t-test, and Pearson test were applied, with significance set at 5%.

Results: The mean time elapsed between T1 and T2 was 962 days/2.6 years. The ICC was > 0.75. The measurements obtained at T2 were significantly greater than at T1 (p = 0.001). The mean increase in root length was 2.83 mm. There was no significant correlation (p = 0.413; r = 0.261) between root length increase and the time elapsed between T1 and T2.

Conclusion: Premolar teeth with incompletely formed roots transplanted to the upper central incisor region showed continued root development during postoperative follow-up.

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来源期刊
Dental Traumatology
Dental Traumatology 医学-牙科与口腔外科
CiteScore
6.40
自引率
32.00%
发文量
85
审稿时长
6-12 weeks
期刊介绍: Dental Traumatology is an international journal that aims to convey scientific and clinical progress in all areas related to adult and pediatric dental traumatology. This includes the following topics: - Epidemiology, Social Aspects, Education, Diagnostics - Esthetics / Prosthetics/ Restorative - Evidence Based Traumatology & Study Design - Oral & Maxillofacial Surgery/Transplant/Implant - Pediatrics and Orthodontics - Prevention and Sports Dentistry - Endodontics and Periodontal Aspects The journal"s aim is to promote communication among clinicians, educators, researchers, and others interested in the field of dental traumatology.
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