Fiberglass posts reduced fractures in endodontically treated teeth restored with veneers: a case-control study.

IF 1.5 4区 医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE
Brazilian oral research Pub Date : 2024-12-20 eCollection Date: 2024-01-01 DOI:10.1590/1807-3107bor-2024.vol38.0137
Fábio Herrmann Coelho-DE-Souza, Andréa de Azevedo Brito Conceição, Maria Carolina Guilherme Erhardt, Luciano de Souza Gonçalves
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Abstract

This study aimed to evaluate the effects of fiberglass posts on fracture behavior in endodontically treated teeth (ETT) restored with composite veneers. Adult patients who had endodontically treated anterior teeth restored with composite veneers, with or without fiberglass posts, were divided into the case (with fractured teeth) and control (without fractured teeth) groups. All fracture patterns were sorted by a 6-point scoring system: 0, no fracture; 1, veneer buccal fracture; 2, incisal edge fracture; 3, coronal middle-third fracture; 4, coronal cervical fracture; 5, coronal and root fracture; and 6, root fracture. The odds ratio was calculated concerning the outcome (fracture) and exposed factor (post presence). Fracture patterns were analyzed by the Mann-Whitney and Fisher exact tests, with a significance level of 95%. Of the 89 ETT restored with composite veneers (31 with posts; 58 without posts), 30 were fractured. The odds ratio revealed a reduction in fracture risk to 34% compared with ETT without posts. Teeth without posts fractured more frequently, showing more complex fracture patterns. In conclusion, fiberglass posts decreased the risk of fractures in ETT restored with composite veneers.

玻璃纤维桩减少根管治疗后牙釉面修复的骨折:一项病例对照研究。
本研究旨在探讨玻璃纤维桩对复合贴面修复牙根管治疗后牙齿断裂行为的影响。采用复合贴面修复前牙的成年患者,分别采用玻璃纤维桩和复合贴面修复前牙,分为病例组(牙断裂组)和对照组(牙未断裂组)。所有骨折类型采用6分评分系统进行分类:0分,无骨折;1、单板颊骨折;2、切缘骨折;3、冠状面中三分之一骨折;4、冠状颈骨折;5、冠根骨折;6、牙根断裂。计算结果(骨折)和暴露因素(存在后)的比值比。骨折模式分析采用Mann-Whitney和Fisher精确检验,显著性水平为95%。复合贴面修复的89例ETT(31例桩修复;58例无立柱),30例骨折。优势比显示,与不带支架的ETT相比,骨折风险降低了34%。没有牙柱的牙齿断裂更频繁,呈现出更复杂的断裂模式。综上所述,玻璃纤维桩降低了复合贴面修复ETT骨折的风险。
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
CiteScore
3.70
自引率
4.00%
发文量
107
审稿时长
12 weeks
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