Does the use of different root canal sealers and adhesive resin cements impact the bond strength of glass fiber posts?

IF 1.5

Restorative Dentistry & Endodontics Pub Date : 2025-08-01 Epub Date: 2025-08-29 DOI:10.5395/rde.2025.50.e29

Ália Regina Neves de Paula Porto, Rudá França Moreira, Felipe Gonçalves Belladonna, Victor Talarico Leal Vieira, Emmanuel João Nogueira Leal da Silva

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Abstract

Objectives: This study aimed to assess the influence of two endodontic sealers on the bond strength of glass fiber posts using conventional and self-adhesive resin cement through a push-out test.

Methods: Forty central human incisors were randomly divided into four groups (n = 10) based on sealer (epoxy resin- based or calcium silicate-based) and cement (conventional and self-adhesive resin) types: AH Plus (Dentsply De- Trey)/RelyX ARC (3M ESPE), AH Plus/RelyX U200 (3M ESPE), Bio-C Sealer (Angelus)/RelyX ARC, and Bio-C Sealer/RelyX U200. After canal filling and post cementation, roots were sectioned to obtain one specimen per root third. A pushout test and failure pattern assessment were conducted, with bond strength analyzed using the one-way analysis of variance and Tukey test.

Results: AH Plus/RelyX ARC showed the highest bond strength values, with a significant difference in the middle third. The most common failure was mixed (55%), while adhesive failures made up 45%, with 23.5% at the cement/post interface and 21.5% at the cement/dentin interface.

Conclusions: AH Plus/RelyX ARC provided the highest bond strength values for glass fiber posts to dentin.

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使用不同的根管密封剂和胶粘剂是否会影响玻璃纤维桩的粘结强度？

目的：本研究旨在通过推出试验，评估两种根管密封剂对传统和自粘树脂水泥玻璃纤维桩粘结强度的影响。方法：选取40例中切牙，根据封闭剂（环氧树脂基或硅酸钙基）和胶结剂（常规和自粘树脂）类型随机分为AH Plus (Dentsply De- Trey)/RelyX ARC （3M ESPE）、AH Plus/RelyX U200 （3M ESPE）、Bio-C sealer (Angelus)/RelyX ARC和Bio-C sealer /RelyX U200 4组（n = 10）。根管充填和根后胶结后，对根进行切片，每三根取一个标本。进行了推出试验和失效模式评估，并使用单向方差分析和Tukey检验分析了粘结强度。结果：AH Plus/RelyX ARC的结合强度值最高，中间三分之一差异显著。最常见的破坏是混合性破坏（55%），粘接剂破坏占45%，其中水泥/桩界面破坏占23.5%，水泥/牙本质界面破坏占21.5%。结论：AH Plus/RelyX ARC为玻璃纤维桩与牙本质提供了最高的粘结强度值。

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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