The Reinforcement Effect of Nano-Zirconia on the Transverse Strength of Repaired Acrylic Denture Base
Objective. The aim of this study was to evaluate the effect of incorporation of glass fiber, zirconia, and nano-zirconia on the transverse strength of repaired denture base. Materials and Methods. Eighty specimens of heat polymerized acrylic resin were prepared and randomly divided into eight groups...
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| Format: | Article |
| Language: | English |
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Wiley
2016-01-01
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| Series: | International Journal of Dentistry |
| Online Access: | http://dx.doi.org/10.1155/2016/7094056 |
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| author | Mohammed Gad Aws S. ArRejaie Mohamed Saber Abdel-Halim Ahmed Rahoma |
| author_facet | Mohammed Gad Aws S. ArRejaie Mohamed Saber Abdel-Halim Ahmed Rahoma |
| author_sort | Mohammed Gad |
| collection | DOAJ |
| description | Objective. The aim of this study was to evaluate the effect of incorporation of glass fiber, zirconia, and nano-zirconia on the transverse strength of repaired denture base. Materials and Methods. Eighty specimens of heat polymerized acrylic resin were prepared and randomly divided into eight groups (n=10): one intact group (control) and seven repaired groups. One group was repaired with autopolymerized resin while the other six groups were repaired using autopolymerized resin reinforced with 2 wt% or 5 wt% glass fiber, zirconia, or nano-zirconia particles. A three-point bending test was used to measure the transverse strength. The results were analyzed using SPSS and repeated measure ANOVA and post hoc least significance (LSD) test (P≤0.05). Results. Among repaired groups it was found that autopolymerized resin reinforced with 2 or 5 wt% nano-zirconia showed the highest transverse strength (P≤0.05). Repairs with autopolymerized acrylic resin reinforced with 5 wt% zirconia showed the lowest transverse strength value. There was no significant difference between the groups repaired with repair resin without reinforcement, 2 wt% zirconia, and glass fiber reinforced resin. Conclusion. Reinforcing of repair material with nano-zirconia may significantly improve the transverse strength of some fractured denture base polymers. |
| format | Article |
| id | doaj-art-c47645f47b6a4bcba4807439e7576b38 |
| institution | Kabale University |
| issn | 1687-8728 1687-8736 |
| language | English |
| publishDate | 2016-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Dentistry |
| spelling | doaj-art-c47645f47b6a4bcba4807439e7576b382025-02-03T05:45:12ZengWileyInternational Journal of Dentistry1687-87281687-87362016-01-01201610.1155/2016/70940567094056The Reinforcement Effect of Nano-Zirconia on the Transverse Strength of Repaired Acrylic Denture BaseMohammed Gad0Aws S. ArRejaie1Mohamed Saber Abdel-Halim2Ahmed Rahoma3Department of Substitutive Dental Sciences, College of Dentistry, University of Dammam, P.O. Box 1982, Dammam 31411, Saudi ArabiaDepartment of Substitutive Dental Sciences, College of Dentistry, University of Dammam, P.O. Box 1982, Dammam 31411, Saudi ArabiaDepartment of Substitutive Dental Sciences, College of Dentistry, University of Dammam, P.O. Box 1982, Dammam 31411, Saudi ArabiaDepartment of Biomaterial Dental Sciences, College of Dentistry, University of Dammam, P.O. Box 1982, Dammam 31411, Saudi ArabiaObjective. The aim of this study was to evaluate the effect of incorporation of glass fiber, zirconia, and nano-zirconia on the transverse strength of repaired denture base. Materials and Methods. Eighty specimens of heat polymerized acrylic resin were prepared and randomly divided into eight groups (n=10): one intact group (control) and seven repaired groups. One group was repaired with autopolymerized resin while the other six groups were repaired using autopolymerized resin reinforced with 2 wt% or 5 wt% glass fiber, zirconia, or nano-zirconia particles. A three-point bending test was used to measure the transverse strength. The results were analyzed using SPSS and repeated measure ANOVA and post hoc least significance (LSD) test (P≤0.05). Results. Among repaired groups it was found that autopolymerized resin reinforced with 2 or 5 wt% nano-zirconia showed the highest transverse strength (P≤0.05). Repairs with autopolymerized acrylic resin reinforced with 5 wt% zirconia showed the lowest transverse strength value. There was no significant difference between the groups repaired with repair resin without reinforcement, 2 wt% zirconia, and glass fiber reinforced resin. Conclusion. Reinforcing of repair material with nano-zirconia may significantly improve the transverse strength of some fractured denture base polymers.http://dx.doi.org/10.1155/2016/7094056 |
| spellingShingle | Mohammed Gad Aws S. ArRejaie Mohamed Saber Abdel-Halim Ahmed Rahoma The Reinforcement Effect of Nano-Zirconia on the Transverse Strength of Repaired Acrylic Denture Base International Journal of Dentistry |
| title | The Reinforcement Effect of Nano-Zirconia on the Transverse Strength of Repaired Acrylic Denture Base |
| title_full | The Reinforcement Effect of Nano-Zirconia on the Transverse Strength of Repaired Acrylic Denture Base |
| title_fullStr | The Reinforcement Effect of Nano-Zirconia on the Transverse Strength of Repaired Acrylic Denture Base |
| title_full_unstemmed | The Reinforcement Effect of Nano-Zirconia on the Transverse Strength of Repaired Acrylic Denture Base |
| title_short | The Reinforcement Effect of Nano-Zirconia on the Transverse Strength of Repaired Acrylic Denture Base |
| title_sort | reinforcement effect of nano zirconia on the transverse strength of repaired acrylic denture base |
| url | http://dx.doi.org/10.1155/2016/7094056 |
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