Application of Image Analyze System for Dental Materials Research : Part 2.Mixing Efficiency of Amalgamators

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  • TANABE Naoki
    Dental Materials Research Division, Nihon University School of Dentistry
  • ARIMA Tsuguo
    Dental Materials Research Division, Nihon University School of Dentistry
  • MOTEGI Takayuki
    Dental Materials Research Division, Nihon University School of Dentistry
  • HABU Hiroyoshi
    Dental Materials Research Division, Nihon University School of Dentistry

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  • パーソナル画像解析システムの歯科材料研究への応用 : 第2報 アマルガメーターの練和効率について

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Abstract

The image analyze system was applied to determine the efficiency of six amalgamators counting the ratio of amalgam alloy particles in a base material.An equal weight(0.2g)of the alloy and clay were mixed for 2 to 120 seconds, and the digital image of cross-section of the mix was taken by a CCD-TV-camera under a microscope.The image was filtered and processed at three densities before the measurement.Accurate re-producibility of the ratio of mixed part was obtained by this system.The results indicate that several factors affect the mixing efficiency of amalgamator besides the frequency.

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