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ISSN 2063-5346
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Comparative evaluation of prophylactic and shear bond strength of orthodontic brackets with different toothbrush bristles –An in vitro study

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Dr. Prem Vishva Natarajan, Dr . Remmiya Mary Varghese,
» doi: 10.31838/ecb/2023.12.si4.248

Abstract

The objective of this study was to assess how brushing with soft, medium and hard bristle toothbrushes affected the shear bond strength of orthodontic brackets attached to removed human teeth. Following a mock brushing of the teeth, the bristle wear and bristle tip morphology were also assessed. 45 removed human molar and premolar teeth had orthodontic brackets attached on their smoothest surfaces. Test samples were allocated into three groups at random: Group 1, the control group, brushes their teeth with nothing; Group 2, the Oral B ; and Group 3, the Colgate 360. Samples were modified for a device that mimicked brushing teeth. A mechanical testing device was used to evaluate the binding strength between each bracket and each tooth. Furthermore evaluated were the bristle wear and bristle tip morphology indexes.The threshold for statistically significant differences was set at 0.05. There were no differences in the group's average bond strengths. Compared to the Oral B toothbrush, the Colgate brush demonstrated reduced bristle wear and superior bristle tip morphology. The binding strength of the orthodontic brackets was unaffected by the usage of either toothbrush, though. Consequently, any toothbrush can be used without risk by individuals receiving orthodontic treatment.

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