Mechanical properties of ion-releasing restorative materials.

IF 0.9 4区医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

American journal of dentistry Pub Date : 2024-02-01

Marija Lalovic, Veljko Kolak, Irena Melih, Ana Nikitovic, Isaak Trajkovic, Milos Milosevic, Djordje Pejanovic, Dragana Pesic

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引用次数: 0

Abstract

Purpose: To evaluate and compare the laboratory compressive strength (CS), flexural strength (FS), and diametral tensile strength (DTS) of Cention Forte and three bulk fill restorative materials.

Methods: A total of 168 specimens were prepared following the manufacturers' instructions and standards for testing CS, FS, and DTS. Mechanical properties of Cention Forte (LC-Cent) were compared to three commercial bulk-fill materials for posterior restorations: Fuji IX Extra (Fuji), Tetric PowerFill (TPF), and Equia Forte HT (Equia). The tests were performed 24 hours after storage in distilled water on a universal testing machine at a crosshead speed of 0.75 mm/minute. Strength values (MPa) were calculated and statistically analyzed by one-way ANOVA and Tukey's post hoc test (P< 0.05).

Results: Analysis showed significant differences between tested materials for CS, FS, and DTS (P= 0.0001). LC-Cent showed the highest mean value for FS (112.8 MPa) with a significant difference compared to Fuji and Equia. DTS (49.2 MPa) of LC-Cent was significantly higher than all tested materials. TPF showed the highest mean value (180 MPa) for CS but without significant difference compared to LC-Cent.

Clinical significance: Ion-releasing material Cention Forte, according to obtained results, may serve as a viable alternative for posterior restorations compared to conventional bulk-fill restorative materials.

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离子释放修复材料的机械特性

目的：评估和比较 Cention Forte 和三种散装填充修复材料的实验室抗压强度 (CS)、抗弯强度 (FS) 和直径拉伸强度 (DTS)：方法：按照制造商的说明和标准制备了 168 个试样，用于测试 CS、FS 和 DTS。将 Cention Forte（LC-Cent）的机械性能与三种用于后牙修复的商业散装填充材料进行比较：Fuji IX Extra (Fuji)、Tetric PowerFill (TPF) 和 Equia Forte HT (Equia)。测试是在蒸馏水中存放 24 小时后，在万能试验机上以 0.75 毫米/分钟的十字头速度进行的。计算强度值（兆帕），并通过单因素方差分析和 Tukey 后检验进行统计分析（P< 0.05）：分析表明，CS、FS 和 DTS 的测试材料之间存在明显差异（P= 0.0001）。LC-Cent 的 FS 平均值最高（112.8 兆帕），与 Fuji 和 Equia 相比差异显著。LC-Cent 的 DTS（49.2 兆帕）明显高于所有测试材料。TPF 显示 CS 的平均值最高（180 兆帕），但与 LC-Cent 相比差异不大：临床意义：根据所得结果，离子释放材料 Cention Forte 与传统的大量填充修复材料相比，可作为后牙修复的可行替代材料。

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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来源期刊

American journal of dentistry 医学-牙科与口腔外科

CiteScore

2.40

自引率

7.10%

发文量

审稿时长

1 months

期刊介绍： The American Journal of Dentistry, published by Mosher & Linder, Inc., provides peer-reviewed scientific articles with clinical significance for the general dental practitioner.