Study of the zone contact and adhesion of nanostructured ceramics on the basis of zirconium dioxide with a facing material in all-ceramic dental prostheses

S. V Anisimova; I. Yu Lebedenko; V. M Levin; Yu. B Makarychev; L. I Podzorova; V. I Khvan; E. S Morokov

doi:10.17816/dent.39210

Russian Journal of Dentistry ›› 2014, Vol. 18 ›› Issue (2) : 4 -8. DOI: 10.17816/dent.39210

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Study of the zone contact and adhesion of nanostructured ceramics on the basis of zirconium dioxide with a facing material in all-ceramic dental prostheses

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Abstract

The microstructure had researched in contact area of nanostructured ceramic based on zirconium dioxide with the covering glassceramic by method of acoustic microscopy. Have determined the dependence of the adhesion strength from porosity of ceramic, burned at 1450 oC and 1530 oC. Revealed, that porosity of ceramic number 1 based of zirconia from nanopowders with dense agglomerates, burned at 1450°C, significantly decreased after burn at 1530 oC and amounted to 0% open porosity, closed porosity of 3%, while the ceramics number 2 with soft agglomerates after firing at 1530°C virtually non-porous. Determination of adhesive strength of nanostructured ceramics zirconia number 1 and number 2 c facing material IPS e.max ceram showed that the adhesion strength ceramics number 2 with a relative density of more than 99% is significantly higher than the number of ceramics 1. Adhesion strength ceramics number 2 with glass-IPS e.max Ceram is almost the same as that of ceramic IPS e.max ZirCAD. By the using of the acoustic characteristics and mechanical tests have founded exponencial dependence of the adhesion strength of ceramic based on zirconium dioxide with glassceramic.

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ceramic / zirconium dioxide / microstructure / acoustic microscopy / nanopowder / adhesion strength

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S. V Anisimova, I. Yu Lebedenko, V. M Levin, Yu. B Makarychev, L. I Podzorova, V. I Khvan, E. S Morokov. Study of the zone contact and adhesion of nanostructured ceramics on the basis of zirconium dioxide with a facing material in all-ceramic dental prostheses. Russian Journal of Dentistry, 2014, 18(2): 4-8 DOI:10.17816/dent.39210

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