Raghad S. Jamel, Emad Farhan Alkhalidi, Alaa Edrees Dawood
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Group IV: A customized (GF) post was cemented by G-CEM ONE without AEP. (n = 10 for each group). The PBS was tested with a universal testing machine, and the values were analyzed with (ANOVA) and Tukey’s post hoc test at a <em>P</em> ≤ 0.05 significance level.</p></div><div><h3>Results</h3><p>Group III revealed the greatest PBS values, followed by Group IV, Group I, and finally, Group II showed the lowest PBS values. The coronal root slices showed the highest PBS in comparison with the middle and apical third.</p></div><div><h3>Conclusion</h3><p>The touch-cure polymerization improved the PBS of the prefabricated and customized fiber posts. Therefore, ‟touch and cure” cement may be considered a clinical alternative to conventional types of resin cement. The customized (GF) posts exhibited a higher PBS than the prefabricated (GFRC). 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引用次数: 0
摘要
方法对 40 颗单根下颌第一前磨牙进行根管治疗，并准备接受牙柱，将准备好的牙根随机分为 4 组。第一组：使用 G-CEM ONE 树脂水泥和粘接增强底漆（AEP）粘接预制（GFRC）牙桩。第二组：使用 G-CEM ONE 树脂粘接剂粘接预制（GFRC）柱，不使用 AEP。第三组：用 G-CEM ONE 粘接定制的（GF）柱子，并使用 AEP。第四组：G-CEM ONE 在不使用 AEP 的情况下粘接定制的（GF）支柱。(每组 10 人）。用万能试验机测试 PBS 值，在 P≤0.05 的显著性水平下进行方差分析和 Tukey 后检验。冠状根切片的 PBS 值最高，而中间和根尖的 PBS 值最低。因此，"触碰固化 "粘接剂可作为传统树脂粘接剂的临床替代品。定制（GF）柱的PBS高于预制（GFRC）柱。建议将定制柱和 G-CEM ONE 与 AEP 结合使用，作为改善界面粘附性的一种新战略方法。
The effect of touch-cure polymerization on the push-out bond strength of fiber posts
Objective
To assess the impact of a novel touch-cure polymerization of dual-curing resin cement on the push-out bonding strength (PBS) of the conventional prefabricated glass fiber-reinforced composite (GFRC) and custom-made glass fiber (GF) posts at different root sections.
Methods
Forty single-root mandibular first premolars were treated endodontically and prepared for receiving the posts, the prepared roots were randomly divided into 4 groups. Group I: A prefabricated (GFRC) post was cemented by G-CEM ONE resin cement with adhesive-enhancing primer (AEP). Group II: A prefabricated (GFRC) post was cemented by G-CEM ONE without AEP. Group III: A customized (GF) post was cemented by G-CEM ONE with AEP. Group IV: A customized (GF) post was cemented by G-CEM ONE without AEP. (n = 10 for each group). The PBS was tested with a universal testing machine, and the values were analyzed with (ANOVA) and Tukey’s post hoc test at a P ≤ 0.05 significance level.
Results
Group III revealed the greatest PBS values, followed by Group IV, Group I, and finally, Group II showed the lowest PBS values. The coronal root slices showed the highest PBS in comparison with the middle and apical third.
Conclusion
The touch-cure polymerization improved the PBS of the prefabricated and customized fiber posts. Therefore, ‟touch and cure” cement may be considered a clinical alternative to conventional types of resin cement. The customized (GF) posts exhibited a higher PBS than the prefabricated (GFRC). The combination of customized posts and G-CEM ONE with AEP is recommended as a new strategic approach to improve interfacial adhesion.
期刊介绍：
Saudi Dental Journal is an English language, peer-reviewed scholarly publication in the area of dentistry. Saudi Dental Journal publishes original research and reviews on, but not limited to: • dental disease • clinical trials • dental equipment • new and experimental techniques • epidemiology and oral health • restorative dentistry • periodontology • endodontology • prosthodontics • paediatric dentistry • orthodontics and dental education Saudi Dental Journal is the official publication of the Saudi Dental Society and is published by King Saud University in collaboration with Elsevier and is edited by an international group of eminent researchers.
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