Effects of third-body media and composite resin type on wear resistance of composite resins

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Abstract

The purpose of this study was to clarify the effects of third-body media and compositions of composite resins on wear resistance. Volume losses and maximum wear depths of five composite resins after 50,000 wear cycles using a ball-sliding on disc wear testing machine with PMMA beads and poppy seed as third-body media were measured. Amount of wear increased with increase of wear cycles. The ratio of increase was dependent on composite resins and third-body media used. The third-body media, poppy seed and PMMA beads, showed different wear quantification on composite resin materials.

Journal

  • J J Dent Mater

    J J Dent Mater 31 (5), 426-, 2012-09-25

    The Japanese Society for Dental Materials and Devices (JSDMD)

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