EVALUATION OF FRACTURE STRENGTH OF A NEW ALKASITE RESTORATIVE MATERIAL WITH FIBER REINFORCEMENT.

Ravichandra Ravi
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Abstract

Background: Clinical Toughness of the restorative material is vital for any restorative material clinically and is reliant on the wear resistance and its ability to withstand the occlusal forces depends on the fracture strength. Aim: To measure the impact of ber reinforcement on fracture strength of a new Alkasite restorative material. Materials And Methods: Experimental material is prepared by the addition of discontinuous silanized short glass bers in 5 wt% (0.75 gm) to 15 gm of powder component of Cention N. Standardized class I cavities were prepared on 60 mandibular teeth and are divided into 3 groups each group containing 20 samples. Each group is restored with Tetric N ceram Bulkll composite, Cention N with ber and Cention N without ber. Fracture strength evaluation was done for the samples using Instron testing machine. Statistical analysis was done by using one-way ANOVAand Tukey's multiple post-hoc tests with signicance level set at p≤0.05. Results:Cention N with ber has shown signicantly greater fracture strength values when compared to Cention N with out ber (p=0.0001) and resin composite. Conclusion: Superior fracture resistance was shown by Cention N with ber followed by ber reinforced composite and Cention N with-out ber.
评估带有纤维加固层的新型碱石修复材料的断裂强度。
背景:在临床上,修复材料的韧性对任何修复材料都至关重要,它取决于材料的耐磨性,而材料承受咬合力的能力则取决于材料的断裂强度。目的:测量 ber 加固对新型 Alkasite 修复材料断裂强度的影响。材料和方法:在 15 克 Cention N 的粉末成分中加入 5 wt%(0.75 克)的不连续硅烷化短玻璃 bers 制备实验材料。在 60 颗下颌牙上制备标准 I 级龋洞,并将其分为 3 组,每组 20 个样本。每组分别使用 Tetric N ceram Bulkll 复合材料、Cention N(含ber)和 Cention N(不含ber)进行修复。使用 Instron 试验机对样品进行断裂强度评估。统计分析采用单因素方差分析和Tukey's多重事后检验,显著cance水平设定为p≤0.05。结果:与不含 ber 的 Cention N(p=0.0001)和树脂复合材料相比,含 ber 的 Cention N 显示出明显更高的断裂强度值。结论:带有 ber 的 Cention N 的抗断裂强度更高,其次是 ber 增强复合材料和不带 ber 的 Cention N。
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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