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International Journal of Clinical and Diagnostic Research
ISSN (Print): 2395-3403 ISSN (Online): 2395-3403 Website: https://www.sciepub.com/journal/ijcdr Editor-in-chief: Apply for this position
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International Journal of Clinical and Diagnostic Research. 2019, 7(4), 83-92
DOI: 10.12691/ijcdr-7-4-1
Open AccessArticle

EFFECT OF ALCOHOL CONTAINING AND ALCOHOL-FREE MOUTHWASHES ON THE MICROHARDNESS OF NANO COMPOSITES-AN INVITRO STUDY

Koduru Surendra1, S. Datta Prasad2, C. Sunil Kumar3, S. Mohan Kumar Reddy4, and K.S. Chandra Babu5

1Department of Conservative Dentistry and Endodontics, CKS Theja institute of Dental Sciences and Research, Tirupati-517501, Chittoor District, Andhra Pradesh, India.

2Department of Conservative Dentistry and Endodontics, CKS Theja institute of Dental Sciences and Research, Tirupati-517502, Chittoor District, Andhra Pradesh, India.

3Department of Conservative Dentistry and Endodontics, CKS Theja institute of Dental Sciences and Research, Tirupati-517503, Chittoor District, Andhra Pradesh, India.

4Department of Conservative Dentistry and Endodontics, CKS Theja institute of Dental Sciences and Research, Tirupati-517504, Chittoor District, Andhra Pradesh, India.

5Department of Conservative Dentistry and Endodontics, CKS Theja institute of Dental Sciences and Research, Tirupati-517505, Chittoor District, Andhra Pradesh, India.

Pub. Date: August 13, 2019
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Cite this paper:
Koduru Surendra, S. Datta Prasad, C. Sunil Kumar, S. Mohan Kumar Reddy and K.S. Chandra Babu. EFFECT OF ALCOHOL CONTAINING AND ALCOHOL-FREE MOUTHWASHES ON THE MICROHARDNESS OF NANO COMPOSITES-AN INVITRO STUDY. International Journal of Clinical and Diagnostic Research. 2019; 7(4):83-92. doi: 10.12691/ijcdr-7-4-1

Abstract

AIM: This in-vitro study was conducted to comparatively evaluate the effect of alcohol containing and alcohol-free mouth rinses on the microhardness of Nano filled composites. MATERIALS AND METHODOLOGY: Twenty-eight specimens of Nano filled resin-based composite specimens were prepared using a metal mold and were kept in artificial saliva for 24 hours to simulate the oral environment. The specimens were then randomly divided into 4 groups (n=7). The specimens were then immersed in respective mouth rinses (Distilled water, Hiora, Colgate Plax, Listerine) and kept under constant stirring for 24h at 37°c. The specimens were then checked for baseline and post-immersion microhardness using Vickers microhardness tester. RESULTS: Significant reduction in the mean VHN was observed in Group 3 and Group 4 when compared to baseline values. The reduction in mean VHN are as follows: Baseline-38.167, Group1-36.083, Group 2-35.200, Group 3-27.433 and Group 4-18.317. Intergroup comparison showed a statistically significant reduction in microhardness in Group 3 and Group 4. There was no significant difference between Group 1 and Group 2 when compared with baseline. CONCLUSION: The alcohol-containing and low ph mouth rinses were most detrimental to the surface hardness of Nano filled composite restorative materials. Listerine mouth rinse containing the highest amount of alcohol showed a maximum reduction in microhardness of nano-filled resin composite followed by Colgate Plax and Hiora.

Keywords:
mouth rinses microhardness Nano composites

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