Effect of Lithium Disilicate Reinforced Liner Treatment on Bond and Fracture Strengths of Bilayered Zirconia All-Ceramic Crown
This study was performed to evaluate the effect of a lithium-disilicate spray-liner application on both the bond strength between zirconia cores and heat-pressed lithium-disilicate glass-ceramic veneers, and the fracture strength of all-ceramic zirconia crowns. A lithium-disilicate reinforced liner...
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2018-01-01
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| Online Access: | http://www.mdpi.com/1996-1944/11/1/77 |
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| author | Yong-Seok Jang Hyeong-Rok Noh Min-Ho Lee Myung-Jin Lim Tae-Sung Bae |
| author_facet | Yong-Seok Jang Hyeong-Rok Noh Min-Ho Lee Myung-Jin Lim Tae-Sung Bae |
| author_sort | Yong-Seok Jang |
| collection | DOAJ |
| description | This study was performed to evaluate the effect of a lithium-disilicate spray-liner application on both the bond strength between zirconia cores and heat-pressed lithium-disilicate glass-ceramic veneers, and the fracture strength of all-ceramic zirconia crowns. A lithium-disilicate reinforced liner was applied on the surface of a zirconia core and lithium-disilicate glass-ceramic was veneered on zirconia through heat press forming. Microtensile and crown fracture tests were conducted in order to evaluate, respectively, the bonding strength between the zirconia cores and heat pressed lithium-disilicate glass-ceramic veneers, and the fracture strength of bilayered zirconia all-ceramic crowns. The role of lithium-disilicate spray-liner at the interface between zirconia and lithium-disilicate glass-ceramic veneers was investigated through surface and cross-sectional analyses. We confirmed that both the mean bonding strength between the zirconia ceramics and lithium-disilicate glass-ceramic veneers and the fracture strength of the liner-treated groups were significantly higher than those of the untreated groups, which resulted, on the one hand, from the chemical bonding at the interface of the zirconia and lithium-disilicate liner, and, on the other, from the existence of a microgap in the group not treated with liner. |
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| id | doaj.art-2d37683082c24f5680a58b27f4392eb4 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-04-12T18:00:09Z |
| publishDate | 2018-01-01 |
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| series | Materials |
| spelling | doaj.art-2d37683082c24f5680a58b27f4392eb42022-12-22T03:22:12ZengMDPI AGMaterials1996-19442018-01-011117710.3390/ma11010077ma11010077Effect of Lithium Disilicate Reinforced Liner Treatment on Bond and Fracture Strengths of Bilayered Zirconia All-Ceramic CrownYong-Seok Jang0Hyeong-Rok Noh1Min-Ho Lee2Myung-Jin Lim3Tae-Sung Bae4Department of Dental Biomaterials, Institute of Biodegradable Materials, BK21 Plus Program, School of Dentistry, Chonbuk National University, Jeonju 54896, KoreaDepartment of Dental Biomaterials, Institute of Biodegradable Materials, BK21 Plus Program, School of Dentistry, Chonbuk National University, Jeonju 54896, KoreaDepartment of Dental Biomaterials, Institute of Biodegradable Materials, BK21 Plus Program, School of Dentistry, Chonbuk National University, Jeonju 54896, KoreaDepartment of Conservative Dentistry, School of Dentistry, Chonbuk National University, Jeonju 54896, KoreaDepartment of Dental Biomaterials, Institute of Biodegradable Materials, BK21 Plus Program, School of Dentistry, Chonbuk National University, Jeonju 54896, KoreaThis study was performed to evaluate the effect of a lithium-disilicate spray-liner application on both the bond strength between zirconia cores and heat-pressed lithium-disilicate glass-ceramic veneers, and the fracture strength of all-ceramic zirconia crowns. A lithium-disilicate reinforced liner was applied on the surface of a zirconia core and lithium-disilicate glass-ceramic was veneered on zirconia through heat press forming. Microtensile and crown fracture tests were conducted in order to evaluate, respectively, the bonding strength between the zirconia cores and heat pressed lithium-disilicate glass-ceramic veneers, and the fracture strength of bilayered zirconia all-ceramic crowns. The role of lithium-disilicate spray-liner at the interface between zirconia and lithium-disilicate glass-ceramic veneers was investigated through surface and cross-sectional analyses. We confirmed that both the mean bonding strength between the zirconia ceramics and lithium-disilicate glass-ceramic veneers and the fracture strength of the liner-treated groups were significantly higher than those of the untreated groups, which resulted, on the one hand, from the chemical bonding at the interface of the zirconia and lithium-disilicate liner, and, on the other, from the existence of a microgap in the group not treated with liner.http://www.mdpi.com/1996-1944/11/1/77bilayered zirconia all-ceramic crownlithium disilicate reinforced linerlithium disilicate glass-ceramic veneerbonding strengthcrown fracture strength |
| spellingShingle | Yong-Seok Jang Hyeong-Rok Noh Min-Ho Lee Myung-Jin Lim Tae-Sung Bae Effect of Lithium Disilicate Reinforced Liner Treatment on Bond and Fracture Strengths of Bilayered Zirconia All-Ceramic Crown Materials bilayered zirconia all-ceramic crown lithium disilicate reinforced liner lithium disilicate glass-ceramic veneer bonding strength crown fracture strength |
| title | Effect of Lithium Disilicate Reinforced Liner Treatment on Bond and Fracture Strengths of Bilayered Zirconia All-Ceramic Crown |
| title_full | Effect of Lithium Disilicate Reinforced Liner Treatment on Bond and Fracture Strengths of Bilayered Zirconia All-Ceramic Crown |
| title_fullStr | Effect of Lithium Disilicate Reinforced Liner Treatment on Bond and Fracture Strengths of Bilayered Zirconia All-Ceramic Crown |
| title_full_unstemmed | Effect of Lithium Disilicate Reinforced Liner Treatment on Bond and Fracture Strengths of Bilayered Zirconia All-Ceramic Crown |
| title_short | Effect of Lithium Disilicate Reinforced Liner Treatment on Bond and Fracture Strengths of Bilayered Zirconia All-Ceramic Crown |
| title_sort | effect of lithium disilicate reinforced liner treatment on bond and fracture strengths of bilayered zirconia all ceramic crown |
| topic | bilayered zirconia all-ceramic crown lithium disilicate reinforced liner lithium disilicate glass-ceramic veneer bonding strength crown fracture strength |
| url | http://www.mdpi.com/1996-1944/11/1/77 |
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