Effect of cements on fracture resistance of monolithic zirconia crowns
Objectives The present study investigated the effect of cements on fracture resistance of monolithic zirconia crowns in relation to their compressive strength. Materials and methods Four different cements were tested: zinc phosphate cement (ZPC), glass-ionomer cement (GIC), self-adhesive resin-based...
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| Format: | Article |
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Medical Journals Sweden
2016-12-01
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| Series: | Acta Biomaterialia Odontologica Scandinavica |
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| Online Access: | http://dx.doi.org/10.3109/23337931.2015.1129908 |
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| author | Keisuke Nakamura Mathieu Mouhat John Magnus Nergård Solveig Jenssen Lægreid Taro Kanno Percy Milleding Ulf Örtengren |
| author_facet | Keisuke Nakamura Mathieu Mouhat John Magnus Nergård Solveig Jenssen Lægreid Taro Kanno Percy Milleding Ulf Örtengren |
| author_sort | Keisuke Nakamura |
| collection | DOAJ |
| description | Objectives The present study investigated the effect of cements on fracture resistance of monolithic zirconia crowns in relation to their compressive strength. Materials and methods Four different cements were tested: zinc phosphate cement (ZPC), glass-ionomer cement (GIC), self-adhesive resin-based cement (SRC) and resin-based cement (RC). RC was used in both dual cure mode (RC-D) and chemical cure mode (RC-C). First, the compressive strength of each cement was tested according to a standard (ISO 9917-1:2004). Second, load-to-failure test was performed to analyze the crown fracture resistance. CAD/CAM-produced monolithic zirconia crowns with a minimal thickness of 0.5 mm were prepared and cemented to dies with each cement. The crown–die samples were loaded until fracture. Results The compressive strength of SRC, RC-D and RC-C was significantly higher than those of ZPC and GIC (p < 0.05). However, there was no significant difference in the fracture load of the crown between the groups. Conclusion The values achieved in the load-to-failure test suggest that monolithic zirconia crowns with a minimal thickness of 0.5 mm may have good resistance against fracture regardless of types of cements. |
| format | Article |
| id | doaj-art-16df64ff30f14bb08bd1c973d08af724 |
| institution | Kabale University |
| issn | 2333-7931 |
| language | English |
| publishDate | 2016-12-01 |
| publisher | Medical Journals Sweden |
| record_format | Article |
| series | Acta Biomaterialia Odontologica Scandinavica |
| spelling | doaj-art-16df64ff30f14bb08bd1c973d08af7242025-01-02T12:58:41ZengMedical Journals SwedenActa Biomaterialia Odontologica Scandinavica2333-79312016-12-0121121910.3109/23337931.2015.11299081129908Effect of cements on fracture resistance of monolithic zirconia crownsKeisuke Nakamura0Mathieu Mouhat1John Magnus Nergård2Solveig Jenssen Lægreid3Taro Kanno4Percy Milleding5Ulf Örtengren6Institute of Odontology, University of Gothenburgthe Arctic University of Norwaythe Arctic University of Norwaythe Arctic University of NorwayTohoku University Graduate School of DentistryInstitute of Odontology, University of GothenburgInstitute of Odontology, University of GothenburgObjectives The present study investigated the effect of cements on fracture resistance of monolithic zirconia crowns in relation to their compressive strength. Materials and methods Four different cements were tested: zinc phosphate cement (ZPC), glass-ionomer cement (GIC), self-adhesive resin-based cement (SRC) and resin-based cement (RC). RC was used in both dual cure mode (RC-D) and chemical cure mode (RC-C). First, the compressive strength of each cement was tested according to a standard (ISO 9917-1:2004). Second, load-to-failure test was performed to analyze the crown fracture resistance. CAD/CAM-produced monolithic zirconia crowns with a minimal thickness of 0.5 mm were prepared and cemented to dies with each cement. The crown–die samples were loaded until fracture. Results The compressive strength of SRC, RC-D and RC-C was significantly higher than those of ZPC and GIC (p < 0.05). However, there was no significant difference in the fracture load of the crown between the groups. Conclusion The values achieved in the load-to-failure test suggest that monolithic zirconia crowns with a minimal thickness of 0.5 mm may have good resistance against fracture regardless of types of cements.http://dx.doi.org/10.3109/23337931.2015.1129908Monolithic zirconia crownsfracture resistancezinc phosphate cementglass-ionomer cementresin-based cement |
| spellingShingle | Keisuke Nakamura Mathieu Mouhat John Magnus Nergård Solveig Jenssen Lægreid Taro Kanno Percy Milleding Ulf Örtengren Effect of cements on fracture resistance of monolithic zirconia crowns Acta Biomaterialia Odontologica Scandinavica Monolithic zirconia crowns fracture resistance zinc phosphate cement glass-ionomer cement resin-based cement |
| title | Effect of cements on fracture resistance of monolithic zirconia crowns |
| title_full | Effect of cements on fracture resistance of monolithic zirconia crowns |
| title_fullStr | Effect of cements on fracture resistance of monolithic zirconia crowns |
| title_full_unstemmed | Effect of cements on fracture resistance of monolithic zirconia crowns |
| title_short | Effect of cements on fracture resistance of monolithic zirconia crowns |
| title_sort | effect of cements on fracture resistance of monolithic zirconia crowns |
| topic | Monolithic zirconia crowns fracture resistance zinc phosphate cement glass-ionomer cement resin-based cement |
| url | http://dx.doi.org/10.3109/23337931.2015.1129908 |
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