Surface degradation of glass ceramics after exposure to acidulated phosphate fluoride
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/S1678-77572010000200010 http://hdl.handle.net/11449/225893 |
Resumo: | Objective: This study evaluated the surface degradation effect of acidulated phosphate fluoride (APF) gel exposure on the glassy matrix ceramics as a function of time. Material and methods: Disc-shaped ceramic specimens (N = 120, 10/per ceramic material) were prepared in stainless steel molds (inner diameter: 5 mm, height: 2 mm) using 6 dental ceramics: 3 indicated for ceramic-fused-to-metal (Vita Omega 900, Carmen and Vita Titankeramik), 2 for all-ceramic (Vitadur Alpha and Finesse® Low Fusing) and 1 for both types of restorations (IPS d.SIGN). The specimens were wet ground finished, ultrasonically cleaned and auto-glazed. All specimens were subjected to calculation of percentage of mass loss, surface roughness analysis and topographical description by scanning electron microscopy (SEM) before (0 min) and after exposure to 1.23% APF gel for 4 min and 60 min representing short- and long-term etching effect, respectively. The data were analyzed using two-way ANOVA with repeated measures and Tukey's test (α=0.05). Results: Significant effect of the type of the ceramics (p=0.0000, p=0.0031) and exposure time (p=0.0000) was observed in both surface roughness and percentage of mass loss values, respectively. The interaction factor between both parameters was also significant for both parameters (p=0.0904, p=0.0258). Both 4 min (0.44±0.1 - 0.81±0.2 μm) and 60 min (0.66±0.1 - 1.04±0.3 μm) APF gel exposure created significantly more surface roughness for all groups when compared to the control groups (0.33±0.2 - 0.68±0.2 μm) (p<0.05). There were no significant differences in percentage of mass loss between the ceramics at 4 min (p>0.05) but at 60 min exposure, IPS d.SIGN showed the highest percentage of mass loss (0.1151±0.11). The mean surface roughness for Vita Titankeramik (0.84±0.2 μm) and Finesse® Low Fusing (0.74.±0.2 μm) was significantly higher than those of the other ceramics (0.59±0.1 μm - 0.49±0.1 μm) and Vita Titankeramik (p<0.05) regardless of the exposure time. A positive correlation was found between surface roughness and percentage of mass loss for all ceramic materials [(r=0.518 (Vitadur Alpha), r=0.405 (Vita Omega 900), r=0.580 (Carmen), r=0.687 (IPS d.SIGN), r=0.442 (Finesse® Low Fusing), r=0.572 (Vita Titankeramik), Pearson's correlation coefficient)]. The qualitative SEM analysis showed evidence of corrosive attack on all of ceramics at varying degrees. Conclusions: The ceramics indicated for either metal-ceramic or all-ceramic restorations were all vulnerable to surface texture changes and mass loss after short-term and long-term APF gel exposure. |
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Surface degradation of glass ceramics after exposure to acidulated phosphate fluorideAcidulated phosphate fluorideDental ceramicsDental materialsElectronLoss mass analysisMicroscopyScanningSurface roughnessObjective: This study evaluated the surface degradation effect of acidulated phosphate fluoride (APF) gel exposure on the glassy matrix ceramics as a function of time. Material and methods: Disc-shaped ceramic specimens (N = 120, 10/per ceramic material) were prepared in stainless steel molds (inner diameter: 5 mm, height: 2 mm) using 6 dental ceramics: 3 indicated for ceramic-fused-to-metal (Vita Omega 900, Carmen and Vita Titankeramik), 2 for all-ceramic (Vitadur Alpha and Finesse® Low Fusing) and 1 for both types of restorations (IPS d.SIGN). The specimens were wet ground finished, ultrasonically cleaned and auto-glazed. All specimens were subjected to calculation of percentage of mass loss, surface roughness analysis and topographical description by scanning electron microscopy (SEM) before (0 min) and after exposure to 1.23% APF gel for 4 min and 60 min representing short- and long-term etching effect, respectively. The data were analyzed using two-way ANOVA with repeated measures and Tukey's test (α=0.05). Results: Significant effect of the type of the ceramics (p=0.0000, p=0.0031) and exposure time (p=0.0000) was observed in both surface roughness and percentage of mass loss values, respectively. The interaction factor between both parameters was also significant for both parameters (p=0.0904, p=0.0258). Both 4 min (0.44±0.1 - 0.81±0.2 μm) and 60 min (0.66±0.1 - 1.04±0.3 μm) APF gel exposure created significantly more surface roughness for all groups when compared to the control groups (0.33±0.2 - 0.68±0.2 μm) (p<0.05). There were no significant differences in percentage of mass loss between the ceramics at 4 min (p>0.05) but at 60 min exposure, IPS d.SIGN showed the highest percentage of mass loss (0.1151±0.11). The mean surface roughness for Vita Titankeramik (0.84±0.2 μm) and Finesse® Low Fusing (0.74.±0.2 μm) was significantly higher than those of the other ceramics (0.59±0.1 μm - 0.49±0.1 μm) and Vita Titankeramik (p<0.05) regardless of the exposure time. A positive correlation was found between surface roughness and percentage of mass loss for all ceramic materials [(r=0.518 (Vitadur Alpha), r=0.405 (Vita Omega 900), r=0.580 (Carmen), r=0.687 (IPS d.SIGN), r=0.442 (Finesse® Low Fusing), r=0.572 (Vita Titankeramik), Pearson's correlation coefficient)]. The qualitative SEM analysis showed evidence of corrosive attack on all of ceramics at varying degrees. Conclusions: The ceramics indicated for either metal-ceramic or all-ceramic restorations were all vulnerable to surface texture changes and mass loss after short-term and long-term APF gel exposure.São José dos Campos Dental School Department of Dental Materials and Prosthodontics São Paulo State University, São José dos CamposUniversity of Zürich Dental Materials Unit Center for Dental and Oral Medicine Clinic for Fixed and Removable Prosthodontics and Dental Materials Science, ZürichSão José dos Campos Dental School Department of Dental Materials and Prosthodontics São Paulo State University, São José dos CamposUniversidade Estadual Paulista (UNESP)Clinic for Fixed and Removable Prosthodontics and Dental Materials ScienceCcahuana, Vanessa Zulema S. [UNESP]Özcan, MutluMesquita, Alfredo Mikail Melo [UNESP]Nishioka, Renato Sussumo [UNESP]Kimpara, Estevão Tomomitsu [UNESP]Bottino, Marco Antonio [UNESP]2022-04-28T21:01:27Z2022-04-28T21:01:27Z2010-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article155-165http://dx.doi.org/10.1590/S1678-77572010000200010Journal of Applied Oral Science, v. 18, n. 2, p. 155-165, 2010.1678-77651678-7757http://hdl.handle.net/11449/22589310.1590/S1678-775720100002000102-s2.0-77953680753Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJournal of Applied Oral Scienceinfo:eu-repo/semantics/openAccess2022-04-28T21:01:27Zoai:repositorio.unesp.br:11449/225893Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T16:28:33.077581Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Surface degradation of glass ceramics after exposure to acidulated phosphate fluoride |
title |
Surface degradation of glass ceramics after exposure to acidulated phosphate fluoride |
spellingShingle |
Surface degradation of glass ceramics after exposure to acidulated phosphate fluoride Ccahuana, Vanessa Zulema S. [UNESP] Acidulated phosphate fluoride Dental ceramics Dental materials Electron Loss mass analysis Microscopy Scanning Surface roughness |
title_short |
Surface degradation of glass ceramics after exposure to acidulated phosphate fluoride |
title_full |
Surface degradation of glass ceramics after exposure to acidulated phosphate fluoride |
title_fullStr |
Surface degradation of glass ceramics after exposure to acidulated phosphate fluoride |
title_full_unstemmed |
Surface degradation of glass ceramics after exposure to acidulated phosphate fluoride |
title_sort |
Surface degradation of glass ceramics after exposure to acidulated phosphate fluoride |
author |
Ccahuana, Vanessa Zulema S. [UNESP] |
author_facet |
Ccahuana, Vanessa Zulema S. [UNESP] Özcan, Mutlu Mesquita, Alfredo Mikail Melo [UNESP] Nishioka, Renato Sussumo [UNESP] Kimpara, Estevão Tomomitsu [UNESP] Bottino, Marco Antonio [UNESP] |
author_role |
author |
author2 |
Özcan, Mutlu Mesquita, Alfredo Mikail Melo [UNESP] Nishioka, Renato Sussumo [UNESP] Kimpara, Estevão Tomomitsu [UNESP] Bottino, Marco Antonio [UNESP] |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) Clinic for Fixed and Removable Prosthodontics and Dental Materials Science |
dc.contributor.author.fl_str_mv |
Ccahuana, Vanessa Zulema S. [UNESP] Özcan, Mutlu Mesquita, Alfredo Mikail Melo [UNESP] Nishioka, Renato Sussumo [UNESP] Kimpara, Estevão Tomomitsu [UNESP] Bottino, Marco Antonio [UNESP] |
dc.subject.por.fl_str_mv |
Acidulated phosphate fluoride Dental ceramics Dental materials Electron Loss mass analysis Microscopy Scanning Surface roughness |
topic |
Acidulated phosphate fluoride Dental ceramics Dental materials Electron Loss mass analysis Microscopy Scanning Surface roughness |
description |
Objective: This study evaluated the surface degradation effect of acidulated phosphate fluoride (APF) gel exposure on the glassy matrix ceramics as a function of time. Material and methods: Disc-shaped ceramic specimens (N = 120, 10/per ceramic material) were prepared in stainless steel molds (inner diameter: 5 mm, height: 2 mm) using 6 dental ceramics: 3 indicated for ceramic-fused-to-metal (Vita Omega 900, Carmen and Vita Titankeramik), 2 for all-ceramic (Vitadur Alpha and Finesse® Low Fusing) and 1 for both types of restorations (IPS d.SIGN). The specimens were wet ground finished, ultrasonically cleaned and auto-glazed. All specimens were subjected to calculation of percentage of mass loss, surface roughness analysis and topographical description by scanning electron microscopy (SEM) before (0 min) and after exposure to 1.23% APF gel for 4 min and 60 min representing short- and long-term etching effect, respectively. The data were analyzed using two-way ANOVA with repeated measures and Tukey's test (α=0.05). Results: Significant effect of the type of the ceramics (p=0.0000, p=0.0031) and exposure time (p=0.0000) was observed in both surface roughness and percentage of mass loss values, respectively. The interaction factor between both parameters was also significant for both parameters (p=0.0904, p=0.0258). Both 4 min (0.44±0.1 - 0.81±0.2 μm) and 60 min (0.66±0.1 - 1.04±0.3 μm) APF gel exposure created significantly more surface roughness for all groups when compared to the control groups (0.33±0.2 - 0.68±0.2 μm) (p<0.05). There were no significant differences in percentage of mass loss between the ceramics at 4 min (p>0.05) but at 60 min exposure, IPS d.SIGN showed the highest percentage of mass loss (0.1151±0.11). The mean surface roughness for Vita Titankeramik (0.84±0.2 μm) and Finesse® Low Fusing (0.74.±0.2 μm) was significantly higher than those of the other ceramics (0.59±0.1 μm - 0.49±0.1 μm) and Vita Titankeramik (p<0.05) regardless of the exposure time. A positive correlation was found between surface roughness and percentage of mass loss for all ceramic materials [(r=0.518 (Vitadur Alpha), r=0.405 (Vita Omega 900), r=0.580 (Carmen), r=0.687 (IPS d.SIGN), r=0.442 (Finesse® Low Fusing), r=0.572 (Vita Titankeramik), Pearson's correlation coefficient)]. The qualitative SEM analysis showed evidence of corrosive attack on all of ceramics at varying degrees. Conclusions: The ceramics indicated for either metal-ceramic or all-ceramic restorations were all vulnerable to surface texture changes and mass loss after short-term and long-term APF gel exposure. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-01-01 2022-04-28T21:01:27Z 2022-04-28T21:01:27Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1590/S1678-77572010000200010 Journal of Applied Oral Science, v. 18, n. 2, p. 155-165, 2010. 1678-7765 1678-7757 http://hdl.handle.net/11449/225893 10.1590/S1678-77572010000200010 2-s2.0-77953680753 |
url |
http://dx.doi.org/10.1590/S1678-77572010000200010 http://hdl.handle.net/11449/225893 |
identifier_str_mv |
Journal of Applied Oral Science, v. 18, n. 2, p. 155-165, 2010. 1678-7765 1678-7757 10.1590/S1678-77572010000200010 2-s2.0-77953680753 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Journal of Applied Oral Science |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
155-165 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808128657797939200 |