对脱落玻璃纤维桩的修复方案的评估。

IF 2.1 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

International Journal of Prosthodontics 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

摘要

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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Evaluation of Recementation Protocols for Dislodged Glass Fiber Posts.

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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来源期刊

International Journal of Prosthodontics 医学-牙科与口腔外科

CiteScore

3.20

自引率

4.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Official Journal of the European Association for Osseointegration (EAO), the International College of Prosthodontists (ICP), the German Society of Prosthodontics and Dental Materials Science (DGPro), and the Italian Academy of Prosthetic Dentistry (AIOP) Prosthodontics demands a clinical research emphasis on patient- and dentist-mediated concerns in the management of oral rehabilitation needs. It is about making and implementing the best clinical decisions to enhance patients'' quality of life via applied biologic architecture - a role that far exceeds that of traditional prosthetic dentistry, with its emphasis on materials and techniques. The International Journal of Prosthodontics is dedicated to exploring and developing this conceptual shift in the role of today''s prosthodontist, clinician, and educator alike. The editorial board is composed of a distinguished team of leading international scholars.