オールセラミッククラウンの色調に関する研究 : 支台歯,表面粗さおよび仮着操作の影響 Chromatic Study of All-Ceramic Crown : The Effect of Abutment Teeth, Surface Roughness and Temporary Cementation Procedures

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著者

    • 今 悟 KON Satoru
    • 日本大学大学院歯学研究科歯科臨床系専攻 Nihon University Graduate School of Dentistry

抄録

Various abutment materials [Dentin, Au alloy (Au), Pd alloy (Pd), Cosmo] were studied to see how their differences in surface roughness (R, F), and conditions of temporary cementation (R-HYB, F-HYB) would affect shades of all ceramic crowns. A 1, A 2 and A 3 shades of IPS Empress<SUP>®</SUP> were selected, the shade changes depending on abutment teeth condition were studied, and the color differences were determined. The conclusions were as follows:<BR>1. In A 1 and A 2 specimens, surface roughness affected the color difference with Au and Pd. In the case of Dentin and Cosmo, temporary cementation affected the color difference. A 3 specimens did not seem to be affected by either factor.<BR>2. As for the color difference from the comparative standard color, just "slight" or "noticeable" differences were observed with Dentin's all specimens and Pd's A 3 specimens. Color difference value in the vicinity of 2.0 was seen in Dentin's all specimens and Pd's A 3 specimens except F-HYB. Metal color specimen except Pd's A 3 specimen R and R-HYB showed "noticeable" evaluation conditions, and F and F-HYB showed "appreciable" evaluation condition.<BR>3. As a result of the analysis with 3-way ANOVA to compare color differences involving various abutment materials, surface roughness and temporary cementation, it was found that highly significant relations were found in abutment materials, significant relations existed in surface roughness, and no relations were observed in temporary cementation.

収録刊行物

  • 日本補綴歯科學會雜誌 = The journal of the Japan Prosthodontic Society

    日本補綴歯科學會雜誌 = The journal of the Japan Prosthodontic Society 43(4), 739-749, 1999-08-10

    Japan Prosthodontic Society

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各種コード

  • NII論文ID(NAID)
    10008174196
  • NII書誌ID(NCID)
    AN00197911
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03895386
  • データ提供元
    CJP書誌  J-STAGE 
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