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Shear Bond Strength Assessment of Orthodontic Brackets Subjected To Brusing with Dentifrices with Different Dentin Abrasivity Index- An In Vitro Study | Abstract

Journal of Research in Medical and Dental Science
eISSN No. 2347-2367 pISSN No. 2347-2545

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Shear Bond Strength Assessment of Orthodontic Brackets Subjected To Brusing with Dentifrices with Different Dentin Abrasivity Index- An In Vitro Study

Author(s): Preethi Rajamanickam*, Ravindra Kumar Jain

Abstract

Regular tooth brushing with dentifrices is needed to maintain oral hygiene and prevent decay. Currently, the abrasives frequently used in toothpastes include precipitated silica, calcium carbonate, alumina, and a variety of calcium phosphates. Commercially-available dentifrices with miscellaneous ingredients are commonly used by orthodontic patients. Some of these ingredients can induce alterations around orthodontic brackets. Since ancient times, the incorporation of abrasive powder in toothpastes or powders has been carried out, previously materials such as bone ash (which is mainly composed of β-tricalcium phosphate3), coral, shell, marble or pumice powders. 1 Abrasives (also called cleaning and polishing agents) are intentionally added to toothpaste to remove surface stains and break up bacterial colonies. Nowadays, the most commonly used abrasives are hydrated silica, dicalcium phosphate, calcium carbonate, and sodium metaphosphate and they account for one-third of the paste volume. Also, whitening pastes may contain more abrasives for polishing the teeth and breaking down or dissolving stains from daily food and beverage consumption.

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