Evaluation of Surface Roughness and Microhardness of Bulk-fill and Nanohybrid Composite after Exposure to Different Beverages at Various Time Intervals - An In vitro Study.

IF 0.6 Q3 MEDICINE, GENERAL & INTERNAL

Annals of African Medicine Pub Date : 2024-07-01 Epub Date: 2024-07-20 DOI:10.4103/aam.aam_157_23

Sachin Bengal, Gautam P Badole, Pratima R Shenoi, Rajesh Kubde, Shriya Shahu

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引用次数: 0

Abstract

Aim: The aim of the study was to compare the surface roughness and microhardness of bulk-fill composite and nanohybrid composite resin after exposure to three different beverages at different time intervals.

Methodology: In this study, 60 composite discs each for bulk fill and nanohybrid, of dimensions 10 mm × 2 mm were made. Both composites were randomly divided into four subgroups, i.e., 15 samples each for artificial saliva, tea, coffee, and soft drinks which were further subdivided into five samples for three time intervals. Composite resin discs were immersed in beverages for 4 min in 24 h for 7, 15, and 30 days. All samples were evaluated for surface roughness and microhardness before and after immersion.

Results: Both the composites showed a significant increase in surface roughness in all the beverages with maximum change in surface roughness observed in nanohybrid composite resin immersed in soft drinks. Furthermore, the microhardness of both the composites was decreased significantly in all beverages with maximum change in microhardness observed in nanohybrid composite resin immersed in soft drinks.

Conclusions: Bulk-fill composite resin has better resistance to surface roughness and higher microhardness as compared to nanohybrid. Furthermore, acidic beverages highly affect the physical properties of both composite resins for longer periods.

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不同时间间隔暴露于不同饮料后团状填充和纳米杂化复合材料表面粗糙度和显微硬度的评估--一项体外研究。

目的：本研究旨在比较大量填充复合树脂和纳米混合复合树脂在不同时间间隔内接触三种不同饮料后的表面粗糙度和微硬度：本研究制作了尺寸为 10 mm × 2 mm 的大量填充复合材料和纳米杂化复合材料圆盘各 60 个。这两种复合材料被随机分为四组，即人工唾液、茶、咖啡和软饮料各 15 个样本，再按三个时间间隔分为五个样本。将复合树脂盘浸泡在饮料中，每 24 小时浸泡 4 分钟，分别浸泡 7 天、15 天和 30 天。对所有样品浸泡前后的表面粗糙度和显微硬度进行评估：结果：在所有饮料中，两种复合材料的表面粗糙度都有显著增加，其中浸泡在软饮料中的纳米杂化复合树脂的表面粗糙度变化最大。此外，两种复合材料在所有饮料中的显微硬度都明显下降，在软饮料中浸泡的纳米杂化复合树脂的显微硬度变化最大：结论：与纳米混合树脂相比，团状填充复合树脂具有更好的抗表面粗糙性和更高的显微硬度。此外，酸性饮料在较长时间内对两种复合树脂的物理性质都有很大影响。

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

Annals of African Medicine MEDICINE, GENERAL & INTERNAL-

CiteScore

0.90

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0.00%

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期刊介绍： The Annals of African Medicine is published by the Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria and the Annals of African Medicine Society. The Journal is intended to serve as a medium for the publication of research findings in the broad field of Medicine in Africa and other developing countries, and elsewhere which have relevance to Africa. It will serve as a source of information on the state of the art of Medicine in Africa, for continuing education for doctors in Africa and other developing countries, and also for the publication of meetings and conferences. The journal will publish articles I any field of Medicine and other fields which have relevance or implications for Medicine.