Evaluation of Recementation Protocols for Dislodged Glass Fiber Posts.

IF 4.7 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2023-11-01 DOI:10.11607/ijp.7478

Ísis Ingrid Nogueira Simões, Eduardo Moreira da Silva, Alice Gonçalves Penelas, Laiza Tatiana Poskus, Glauco Botelho Dos Santos, José Guilherme Antunes Guimarães

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引用次数: 0

Abstract

Purpose: To evaluate different protocols for recementation of dislodged glass fiber posts (GFPs).

Materials and methods: The root canals of 50 bovine incisors were prepared to receive GFPs that were conditioned with 24% hydrogen peroxide, silanized, and cemented with a self-adhesive resin cement. After light curing, the specimens were submitted to a pullout test. The dislodged GPFs were distributed into five experimental groups (n = 10) for the recementation surface treatment: NT = no treatment; SI = silane; ET = 92.8% ethanol/silane; HP = 24% hydrogen peroxide/silane; and AL = airborne-particle abrasion (50 μm alumina)/silane. The GFPs were recemented with the same self-adhesive resin cement, and specimens were submiLed to a second pullout test. Data were analyzed with Student t test and one-way ANOVA (α = .05).

Results: For all groups, the recementation bond strength was higher than the strength obtained after the first cementa4on (P < .05). There were no statistical differences among the experimental recementation protocols (P = .096).

Conclusions: All recementation protocols might be reliably applied because they led to higher bond strength than the first cementation. Int J Prosthodont 2023;36:e74-e87.

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对脱落玻璃纤维桩的修复方案的评估。

目的：评估不同的玻璃纤维桩（GFP）植入方案。材料和方法：制备50个牛切牙的根管，接受用24%过氧化氢处理、硅烷化并用自粘树脂胶结的GFP。光固化后，对试样进行拉拔试验。将移位的GPF分为五个实验组（n=10）进行再沉积表面处理：NT=不处理；SI=硅烷；ET=92.8%乙醇/硅烷；HP=24%过氧化氢/硅烷；AL=空气颗粒磨损（50μm氧化铝）/硅烷。用相同的自粘树脂水泥对GFP进行再灌注，并将样品进行第二次拔出试验。数据采用Student t检验和单因素方差分析（α=0.05）进行分析，再固化结合强度高于第一次胶结后获得的强度4（P＜0.05）。实验再固化方案之间没有统计学差异（P＝.096）。结论：所有再固化方案都可能可靠地应用，因为它们导致比第一次胶结更高的结合强度。Int J Prostodont 2023；36:e74-e87。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.