Lingual plate thickness influences cortical bone injury during lower third molar extraction: A cone beam computed tomography study.

IF 1.8 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Oral and Maxillofacial Surgery-Heidelberg Pub Date : 2025-04-21 DOI:10.1007/s10006-025-01386-8

Rafael Rezende Cardoso, Camila Silvério Carvalho Vieira, Davisson Alves Pereira, Guilherme José Pimentel Lopes de Oliveira, Gabriella Lopes de Rezende Barbosa

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引用次数: 0

Abstract

Purpose: To determine which factors influence lingual plate injury during the extraction of mandibular third molars, using cone beam computed tomography (CBCT) analysis, considering tooth position and lingual plate morphology.

Methods: This retrospective study included CBCT images of 35 mandibular third molars taken preoperatively and seven days post-extraction. The images were obtained from a previous prospective clinical trial investigating bone healing. In the preoperative images, six parameters were evaluated: lingual plate thickness, impaction depth, mesiodistal and buccolingual angulation, lingual plate morphology, and the topographic relationship between the root apex and the lingual plate. In the postoperative images, the lingual plate was classified as either intact or fractured. Statistical analysis was performed using logistic regression to assess the influence of the different variables on lingual plate damage.

Results: CBCT images of 35 mandibular third molars were analyzed. Logistic regression analysis revealed that lingual plate thickness at the level of the cementoenamel junction significantly influenced the likelihood of plate fracture during extraction (95% CI: -1.19 to -0.20; p =.007).

Conclusion: Understanding lingual plate thickness variations can aid in surgical planning and reduce intraoperative complications in lower third molars extraction. CBCT may be particularly useful in cases involving complex impactions.

Clinical trial number: The clinical trial from which the CBCT images were obtained was registered in the Brazilian Registry of Clinical Trials (REBEC) under number U1111-1263-9675.

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舌板厚度影响下第三磨牙拔牙时皮质骨损伤：锥束计算机断层扫描研究。

目的：利用锥形束ct （CBCT）分析下颌第三磨牙拔牙过程中舌板损伤的影响因素，并结合牙位和舌板形态进行分析。方法：回顾性研究35颗下颌第三磨牙术前及拔牙后7天的CBCT图像。这些图像来自先前一项研究骨愈合的前瞻性临床试验。在术前图像中，评估了六个参数：舌板厚度、嵌塞深度、中远端和颊舌角、舌板形态以及根尖与舌板之间的地形关系。在术后图像中，舌板分为完整或骨折。采用logistic回归进行统计分析，评估不同变量对舌板损伤的影响。结果：对35颗下颌第三磨牙的CBCT图像进行分析。Logistic回归分析显示，牙骨质-牙釉质接口处舌板厚度显著影响拔牙过程中舌板骨折的可能性(95% CI: -1.19至-0.20；p = .007)。结论：了解舌板厚度变化有助于下三磨牙拔除术的手术计划，减少术中并发症。CBCT在涉及复杂嵌塞的病例中可能特别有用。临床试验编号：获得CBCT图像的临床试验已在巴西临床试验登记处（REBEC）注册，编号为U1111-1263-9675。

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 and Maxillofacial Surgery-Heidelberg DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

3.20

自引率

5.60%

发文量

118

期刊介绍： Oral & Maxillofacial Surgery founded as Mund-, Kiefer- und Gesichtschirurgie is a peer-reviewed online journal. It is designed for clinicians as well as researchers.The quarterly journal offers comprehensive coverage of new techniques, important developments and innovative ideas in oral and maxillofacial surgery and interdisciplinary aspects of cranial, facial and oral diseases and their management. The journal publishes papers of the highest scientific merit and widest possible scope on work in oral and maxillofacial surgery as well as supporting specialties. Practice-oriented articles help improve the methods used in oral and maxillofacial surgery.Every aspect of oral and maxillofacial surgery is fully covered through a range of invited review articles, clinical and research articles, technical notes, abstracts, and case reports. Specific topics are: aesthetic facial surgery, clinical pathology, computer-assisted surgery, congenital and craniofacial deformities, dentoalveolar surgery, head and neck oncology, implant dentistry, oral medicine, orthognathic surgery, reconstructive surgery, skull base surgery, TMJ and trauma.Time-limited reviewing and electronic processing allow to publish articles as fast as possible. Accepted articles are rapidly accessible online.Clinical studies submitted for publication have to include a declaration that they have been approved by an ethical committee according to the World Medical Association Declaration of Helsinki 1964 (last amendment during the 52nd World Medical Association General Assembly, Edinburgh, Scotland, October 2000). Experimental animal studies have to be carried out according to the principles of laboratory animal care (NIH publication No 86-23, revised 1985).