接着性セメントの陶材に対するせん断接着強さ　　陶材の種類とその表面研削法が接着性に及ぼす影響

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  • Shear adhesive strength of dental adhesive cements to porcelains. Influence of porcelains and surface treatment methods.
  • Innuence of Porcelains and Surface Treatment Methods
  • 陶材の種類とその表面研削法が接着性に及ぼす影響

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Shear adhesive strength (after 24 hours water immersion period) of dental adhesivecements to dental porcelains were investigated. As adhesives, Super-Bond C & B, Panavia-EXand HY-BOND Carbo Cement were used. As adherends, VITA VMK 68 opabue, VITA DUR-Ncore and Cerachrome-L were used. The surface treatments of porcelains were as follows.<BR>1. Polishing by # 600 Emery paper, 2. Sand blasting by 50 μmφ glass beads, 3. Sand blastingby alumina powder which had 20-40 μm particle size.<BR>The results were summarized as follows.<BR>1. Super-Bond C B had excellent adhesion to any porcelain on any surface treatment.<BR>The adhesive strength were 220-310 kgf/cm 2.2. Panavia-EX were influenced by surface treatment of porcelain. Sand blasting by aluminahad good effect on adhesion.<BR>3. Panavia-EX had higher adhesion to aluminous porcelain than metal fusing porcelain.<BR>4. HY-BOND Carbo Cement showed somewhat of adhesiveness to VITA VMK68 opaque.<BR>The adhesive strength were about 100 kgf/cm2.

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