Effect of Incorporating Chitosan to Resin Modified Glass Ionomer Cement on Shear Bond Strength to Dentin (An In vitro Comparative Study).

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-06-27 eCollection Date: 2024-05-01 DOI:10.4103/jispcd.jispcd_195_23

Aya Tahseen Khudhair, Muna Saleem Khalaf

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Abstract

Aim: Resin-modified glass ionomer cement tends to shrink due to polymerization of the resin component. Additionally, they are more prone to syneresis and imbibition during the setting process. This in vitro study evaluates the impact of chitosan, a biopolymer that is, both biomaterial and biocompatible, on the strength of dentin bonding and compares it with ACTIVA Bio-ACTIVE Restorative. The present study was aimed to assess the impact of including chitosan into Fuji II on the shear bond strength between. the restoration material and tooth dentin, in contrast to Bioactiva in permanent teeth.

Materials and methods: A total of 30 premolar teeth were recently extracted. The study involved three distinct sample groups. Group 1 (10 teeth) is the negative control (Fuji II), Group 2 (10 teeth) is the positive control (ACTIVA Bio-ACTIVE Restorative), and Group 3 (10 teeth) is treated with a mixture of Chitosan and Fuji II (CH-Fuji II). Each tooth's buccal and palatal cusps were eliminated to achieve a horizontal surface. Using a periodontal probe, 1.5 mm from the mesial pit to the mesial marginal ridge were removed. Restoration was implemented in all groups following manufacturer directions. Thermocycling the teeth by immersing them in a water bath with temperatures ranging from 5°C to 55°C (± 1-2°C) for 30 s (500 cycles). Each sample was attached to the universal testing machine's jig at a cross-head speed of 1 mm/min. Shear force was used until breakage, and the bond's adhesive strength was then calculated. Statistical analysis using ANOVA with Dunnett's T3 post hoc test. Results were significant at P < 0.05.

Results: Statistically significant difference was present between Chitosan and Fuji II and between Chitosan and Activa by reducing the shear bond strength.

Conclusions: Addition of chitosan to Fuji II had a negative effect on the shear bond with a significant difference while Activa and Fuji II exhibited favorable shear bond strength.

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在树脂改性玻璃离子黏合剂中加入壳聚糖对牙本质剪切粘结强度的影响（体外比较研究）。

目的：由于树脂成分的聚合，树脂改性玻璃离聚体水泥容易收缩。此外，它们在固化过程中也更容易发生粘结和浸泡。本体外研究评估了壳聚糖这种既是生物材料又具有生物相容性的生物聚合物对牙本质粘接强度的影响，并将其与 ACTIVA Bio-ACTIVE Restorative 进行了比较。本研究旨在评估在富士二代中加入壳聚糖对修复材料与牙本质之间剪切粘接强度的影响，并与恒牙中的 Bioactiva 进行对比：最近共拔除了 30 颗前臼齿。研究涉及三个不同的样本组。第 1 组（10 颗牙齿）为阴性对照组（富士 II），第 2 组（10 颗牙齿）为阳性对照组（ACTIVA Bio-ACTIVE Restorative），第 3 组（10 颗牙齿）使用壳聚糖和富士 II 的混合物（CH-富士 II）。每颗牙齿的颊尖和腭尖都被去除，以获得水平表面。使用牙周探针，从中线凹坑到中线边缘嵴去除 1.5 毫米。所有组别均按照制造商的说明进行修复。将牙齿浸入温度为 5°C 至 55°C（± 1-2°C）的水浴中 30 秒（500 个循环）。以 1 毫米/分钟的十字头速度将每个样本固定在万能试验机的夹具上。使用剪切力直至断裂，然后计算粘接强度。采用方差分析和 Dunnett's T3 后验法进行统计分析。结果以 P < 0.05 为差异显著：结果：壳聚糖和富士二号之间以及壳聚糖和 Activa 之间的剪切粘接强度降低，差异具有统计学意义：结论：在富士二号中添加壳聚糖对剪切粘合力有负面影响，且差异显著，而 Activa 和富士二号则表现出良好的剪切粘合力。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.