Bonding effectiveness of self-adhesive and conventional-type adhesive resin cements to CAD/CAM resin blocks. Part 2: Effect of ultrasonic and acid cleaning
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- KAWAGUCHI Asuka
- Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
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- MATSUMOTO Mariko
- Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
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- HIGASHI Mami
- Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
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- MIURA Jiro
- Division for Interdisciplinary Dentistry, Osaka University Dental Hospital
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- MINAMINO Takuya
- Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
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- KABETANI Tomoshige
- Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
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- TAKESHIGE Fumio
- Division for Interdisciplinary Dentistry, Osaka University Dental Hospital
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- MINE Atsushi
- Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
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- YATANI Hirofumi
- Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
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抄録
The present study assessed the effect of ultrasonic and acid cleaning on resin cement bonding to CAD/CAM resin blocks. One of two resin cements, PANAVIA V5 (PV5) or PANAVIA SA CEMENT HANDMIX (PSA), were bonded to one of 24 CAD/CAM blocks (KATANA AVENCIA BLOCK). Each cement group was divided into four subgroups: no cleaning (Ctl), ultrasonic cleaning (Uc), acid cleaning (Ac) and Uc+Ac. Micro-tensile bond strengths (µTBSs) were measured immediately and 1, 3, and 6 months after water storage. Block surfaces after each treatment were analyzed by scanning electron microscopy. Analysis of variance revealed a statistically significant effect for the parameters ‘surface treatment’ (p<0.001, F=40), ‘resin cement’ (p<0.001, F=696) and ‘water aging’ (p<0.001, F=71). The PV5 group exhibited higher µTBS values than the PSA group. Although cleaning after sandblasting was effective in removing residual alumina particles, it did not affect the long-term bonding durability with non-contaminated CAD/CAM resin blocks.
収録刊行物
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- Dental Materials Journal
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Dental Materials Journal 35 (1), 29-36, 2016
日本歯科理工学会