Bonding strategies to full-contour zirconia: Zirconia pretreatment with piranha solution, glaze and airborne-particle abrasion
This study aimed to evaluate the effect of various zirconia surface pretreatments on the adhesion between full contour 3Y-TZP zirconia and glaze, and the shear bond strength (SBS) between glazed/3Y-TZP and resin cement. Specimens were allocated into groups: GL-glaze; AL+GL-sandblasting with Al2O3+GL...
| Authors: | ; ; ; ; ; ; |
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| Format: | Article |
| Status: | Published version |
| Publication date: | 2017 |
| Country: | Brasil |
| Institution: | UNESP |
| Repository: | Repositório Institucional da UNESP |
| Language: | English |
| OAI Identifier: | oai:repositorio.unesp.br:11449/169809 |
| Online Access: | http://dx.doi.org/10.1016/j.ijadhadh.2017.05.007 http://hdl.handle.net/11449/169809 |
| Access Level: | Open access |
| Keyword: | Glaze Piranha solution Scratch test Shear test Surface treatment Zirconia |
| _version_ | 1878750639121498112 |
|---|---|
| author | Feitosa, Sabrina A. [UNESP] |
| author2 | Lima, Nelson B. Yoshito, Walter K. Campos, Fernanda [UNESP] Bottino, Marco A. [UNESP] Valandro, Luiz F. Bottino, Marco C. |
| author2_role | author author author author author author |
| author_browse | Bottino, Marco A. [UNESP] Bottino, Marco C. Campos, Fernanda [UNESP] Feitosa, Sabrina A. [UNESP] Lima, Nelson B. Valandro, Luiz F. Yoshito, Walter K. |
| author_facet | Feitosa, Sabrina A. [UNESP] Lima, Nelson B. Yoshito, Walter K. Campos, Fernanda [UNESP] Bottino, Marco A. [UNESP] Valandro, Luiz F. Bottino, Marco C. |
| author_role | author |
| collection | Repositório Institucional da UNESP |
| description | This study aimed to evaluate the effect of various zirconia surface pretreatments on the adhesion between full contour 3Y-TZP zirconia and glaze, and the shear bond strength (SBS) between glazed/3Y-TZP and resin cement. Specimens were allocated into groups: GL-glaze; AL+GL-sandblasting with Al2O3+GL; CJ+GL-tribochemical silica coating (Cojet®/CJ)+GL; PS+GL-piranha solution+GL; and CJ. Adhesion between 3Y-TZP and GL was evaluated using the scratch test. Surface topography and glaze thickness were evaluated by using a scanning electron microscope (SEM). For SBS, glazed/3Y-TZP surface was etched with hydrofluoric acid and a silane was applied. For CJ only the silane was applied. Samples were tested after 24 h (24 h wet) or after 15,000 thermal cycles and 90 days storage (thermocycled). After SBS, the type of failure was classified as: adhesive, mixed or cohesive. The data were analyzed using two-way ANOVA and Tukey's test. SEM analysis after scratch test revealed circular cracks in the GL group and conformal cracks in the others groups. SEM micrographs suggested that zirconia specimens submitted to airborne-particle abrasion presents rougher and porous surface when compared to surfaces treated with GL and PS. The glaze layer was approximately 1.86 µm thick in all groups. After 24 h, SBS test showed highest values for AL+GL and CJ+GL and were significantly higher when compared to the GL group. Differences were not significant between PS+GL and the other groups. After aging (thermocycling+storage), groups GL and CJ presented no statistically significant difference compared to 24 h and aged AL+GL, CJ+GL and PS+GL groups. The predominant type of failure was mixed. 3Y-TZP surface treatment with glaze application could be considered as an alternative treatment, since it yielded a similar resin bond strength without the need for airborne-particle abrasion. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | BR_110038f5c272002fa64bdbeb8ef2d5ec |
| institution | UNESP |
| instname_str | Universidade Estadual Paulista (UNESP) |
| language | eng |
| network_acronym_str | BR |
| network_name_str | Brasil |
| oai_identifier_str | oai:repositorio.unesp.br:11449/169809 |
| publishDate | 2017 |
| publishDateSort | 2017 |
| reponame_str | Repositório Institucional da UNESP |
| spelling | Bonding strategies to full-contour zirconia: Zirconia pretreatment with piranha solution, glaze and airborne-particle abrasion Feitosa, Sabrina A. [UNESP] Lima, Nelson B. Yoshito, Walter K. Campos, Fernanda [UNESP] Bottino, Marco A. [UNESP] Valandro, Luiz F. Bottino, Marco C. Glaze Piranha solution Scratch test Shear test Surface treatment Zirconia This study aimed to evaluate the effect of various zirconia surface pretreatments on the adhesion between full contour 3Y-TZP zirconia and glaze, and the shear bond strength (SBS) between glazed/3Y-TZP and resin cement. Specimens were allocated into groups: GL-glaze; AL+GL-sandblasting with Al2O3+GL; CJ+GL-tribochemical silica coating (Cojet®/CJ)+GL; PS+GL-piranha solution+GL; and CJ. Adhesion between 3Y-TZP and GL was evaluated using the scratch test. Surface topography and glaze thickness were evaluated by using a scanning electron microscope (SEM). For SBS, glazed/3Y-TZP surface was etched with hydrofluoric acid and a silane was applied. For CJ only the silane was applied. Samples were tested after 24 h (24 h wet) or after 15,000 thermal cycles and 90 days storage (thermocycled). After SBS, the type of failure was classified as: adhesive, mixed or cohesive. The data were analyzed using two-way ANOVA and Tukey's test. SEM analysis after scratch test revealed circular cracks in the GL group and conformal cracks in the others groups. SEM micrographs suggested that zirconia specimens submitted to airborne-particle abrasion presents rougher and porous surface when compared to surfaces treated with GL and PS. The glaze layer was approximately 1.86 µm thick in all groups. After 24 h, SBS test showed highest values for AL+GL and CJ+GL and were significantly higher when compared to the GL group. Differences were not significant between PS+GL and the other groups. After aging (thermocycling+storage), groups GL and CJ presented no statistically significant difference compared to 24 h and aged AL+GL, CJ+GL and PS+GL groups. The predominant type of failure was mixed. 3Y-TZP surface treatment with glaze application could be considered as an alternative treatment, since it yielded a similar resin bond strength without the need for airborne-particle abrasion. Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Department of Biomedical and Applied Sciences Division of Dental Biomaterials Indiana University School of Dentistry Department of Dental Materials and Prosthodontics Institute of Science and Technology Universidade Estadual Paulista–UNESP Materials Science and Technology Center Institute for Energy and Nuclear Research IPEN São Paulo Department of Restorative Dentistry Division of Prosthodontics Federal University of Santa Maria CAPES: 18922/12-0 FAPESP: 2012/02945-0 http://dx.doi.org/10.1016/j.ijadhadh.2017.05.007 International Journal of Adhesion and Adhesives, v. 77, p. 151-156. 0143-7496 http://hdl.handle.net/11449/169809 10.1016/j.ijadhadh.2017.05.007 2-s2.0-85020273316 2-s2.0-85020273316.pdf |
| spellingShingle | Bonding strategies to full-contour zirconia: Zirconia pretreatment with piranha solution, glaze and airborne-particle abrasion Feitosa, Sabrina A. [UNESP] Glaze Piranha solution Scratch test Shear test Surface treatment Zirconia |
| status_str | publishedVersion |
| title | Bonding strategies to full-contour zirconia: Zirconia pretreatment with piranha solution, glaze and airborne-particle abrasion |
| title_full | Bonding strategies to full-contour zirconia: Zirconia pretreatment with piranha solution, glaze and airborne-particle abrasion |
| title_fullStr | Bonding strategies to full-contour zirconia: Zirconia pretreatment with piranha solution, glaze and airborne-particle abrasion |
| title_full_unstemmed | Bonding strategies to full-contour zirconia: Zirconia pretreatment with piranha solution, glaze and airborne-particle abrasion |
| title_short | Bonding strategies to full-contour zirconia: Zirconia pretreatment with piranha solution, glaze and airborne-particle abrasion |
| title_sort | Bonding strategies to full-contour zirconia: Zirconia pretreatment with piranha solution, glaze and airborne-particle abrasion |
| topic | Glaze Piranha solution Scratch test Shear test Surface treatment Zirconia |
| topic_facet | Glaze Piranha solution Scratch test Shear test Surface treatment Zirconia |
| url | http://dx.doi.org/10.1016/j.ijadhadh.2017.05.007 http://hdl.handle.net/11449/169809 |