International Journal of Clinical Pediatric Dentistry

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VOLUME 13 , ISSUE 6 ( November-December, 2020 ) > List of Articles

Original Article

Effect of Commonly Consumed Beverages on Microhardness of Two Types of Composites

Dipti Barve, Pranav N Dave, Meenal N Gulve, Mohammed AK Meera Sahib, Fariha Naz, Saquib A Shahabe

Keywords : Cola drink, Composites, Microhardness, Tea,Coffee

Citation Information : Barve D, Dave PN, Gulve MN, Sahib MA, Naz F, Shahabe SA. Effect of Commonly Consumed Beverages on Microhardness of Two Types of Composites. Int J Clin Pediatr Dent 2020; 13 (6):663-667.

DOI: 10.5005/jp-journals-10005-1854

License: CC BY-NC 4.0

Published Online: 31-03-2021

Copyright Statement:  Copyright © 2020; Jaypee Brothers Medical Publishers (P) Ltd.


Objective: The objective of the present in vitro study was to assess the influence of commonly consumed beverages on the microhardness of microhybrid and nanofilled composite resins. Materials and methods: Two hundred and forty cylindrical specimens were produced using circular aluminum molds of an internal diameter of 10 mm and a thickness of 2 mm, 120 samples each from microhybrid composite (Filtek Z250, 3M, ESPE, USA) and nanofilled composite (filtek Z250, 3M, ESPE, USA). They were divided into 4 subgroups of 30 specimens each. These specimens were immersed in distilled water, tea, coffee, and cola drink, respectively. Microhardness was calculated using Vickers microhardness tester (MMT-X7 Matsuzawa, Japan). Data were statistically analyzed using paired t-test and one-way analysis of variance (ANOVA) using Tukey\'s correction was used for multiple subgroup comparison. Results: Microhardness of both the composites reduced after immersing in different beverages compared to water. Nanofilled composites showed more change in microhardness than microhybrid composite. Cola caused a significant reduction in microhardness followed by coffee, tea, and water. Conclusion: The beverages used have negative effects on the hardness of both the type of composites. The surface microhardness of nanofilled composite is significantly reduced when immersed in carbonated beverages like cola.

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