Acharya, Shashidhar and Ramprasad, VP (2014) Comparison of Surface Abrasion Produced on the Enamel Surface by a Standard Dentifrice using three Different Toothbrush Bristle Designs: A Profilometric in Vitro Study. Journal of Conservative Dentistry, 17 (4). pp. 369-373. ISSN 0972-0707
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Abstract
Aim: The aim was to assess,in vitro , the effect on surface abrasivity of enamel surface caused by three different types (flat trim, zig-zag, bi-level) of toothbrush bristle design.Materials and Methods Materials and Methods: Twenty-four freshly extracted, sound, human incisor teeth were collected for this study. The enamel slab was prepared, which were mounted, on separate acrylic bases followed by subjected to profilometric analysis. The surface roughness was measured using the profilometer. The specimen were divided into three groups, each group containing eight mounted specimens, wherein, Group 1 specimens were brushed with flat trim toothbrush; Group 2 brushed with zig-zag and Group 3 with bi-level bristle design. A commercially available dentifrice was used throughout the study. A single specimen was brushed for 2 times daily for 2 min period for 1 week using a customized brushing apparatus. The pre- and post-roughness value change were analyzed and recorded.Statistical test Statistical test: Kruskal–Wallis test and Mann–Whitney U-test.Result Result: The results showed that surface abrasion was produced on each specimen, in all the three groups, which were subjected to brushing cycle.However, the bi-level bristle design (350% increase in roughness,P= 0.021) and zig-zag bristle design (160% increase in roughness, P = 0.050) showed significantly higher surface abrasion when compared with flat trim bristle design toothbrush.Conclusion Conclusion: Flat trim toothbrush bristle produces least surface abrasion and is relatively safe for use
Item Type: | Article |
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Uncontrolled Keywords: | Abrasion; Bristles; Dentifrice; Toothbrush |
Subjects: | Dentistry > MCODS Manipal > Preventive and Community Dentistry |
Depositing User: | KMC Manipal |
Date Deposited: | 11 Jun 2015 05:31 |
Last Modified: | 25 Jun 2015 05:18 |
URI: | http://eprints.manipal.edu/id/eprint/142943 |
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