Microscopic Appearance of the Restorative Teeth Using Several Luting Cements.

DOI 1 Citations 13 References
  • Toyoshima Yoshihiro
    Health Care Center, The Dai-ichi Mutual Life Insurance Company
  • Yasuda Noboru
    Health Care Center, The Dai-ichi Mutual Life Insurance Company
  • Toida Tetsuya
    Institute for Medical and Dental Engneering, Tokyo Medical and Dental University
  • Nakabayashi Nobuo
    Institute for Medical and Dental Engneering, Tokyo Medical and Dental University

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  • 各種合着材による治療歯の切片標本の観察

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Abstract

Opitcal and scanning electron microscopic observations of extracted teeth recorded their histories of restoration were carried out to evaluate several luting cements in vivo. All cases using zinc phosphate cements (ZPC), marginal leakageswere observed. In low caries risk patients, however, secondary caries were not observed. The cases using glass ionomer cements (GIC) were less marginal leakage than ZPC. But in high risk patient, secondary caries were observed at the parts showin gmarginal leakage. All cases using resin bonding cements were observed neither marginal leakage nor secondary caries. SEM observations revealed clear hybridized dentins in every case, even the case of several years passed after cementing. A tag and a hybridized dentin were observed on ground dentin, but no tag formationon the sclerotic dentin just below the caries lesion. It was concluded that the most important point to prevent the secondary caries was reducing the caries risk of patients and using reliable resin bonding system.

Journal

  • Adhesive Dentistry

    Adhesive Dentistry 14 (3), 148-156, 1996

    Japan Society for Adhesive Dentistry

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