TiF4 varnish protects the retention of brackets to enamel after in vitro mild erosive challenge
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2018 |
| Outros Autores: | , , , , , |
| Tipo de documento: | Artigo |
| Idioma: | eng |
| Título da fonte: | Repositório Institucional da UFJF |
| Texto Completo: | http://dx.doi.org/10.1590/1678-7757-2017-0222 https://repositorio.ufjf.br/jspui/handle/ufjf/9241 |
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2019-02-27T15:07:29Z2019-02-262019-02-27T15:07:29Z2018-052619http://dx.doi.org/10.1590/1678-7757-2017-0222https://repositorio.ufjf.br/jspui/handle/ufjf/9241-The effect of fluoride agents on the retention of orthodontic brackets to enamel under erosive challenge is little investigated. Objective: The aim of this study was to evaluate the effect of titanium tetrafluoride (TiF4) and sodium fluoride (NaF) agents on the shear bond strength of brackets to enamel and on the enamel microhardness around brackets under erosive challenge. Methods: Brackets were bonded to bovine incisors. Five groups were formed according to fluoride application (n=10): TiF4 varnish, TiF4 solution, NaF varnish, NaF solution and control (without application). The specimens were submitted to erosive challenge (90 s cola drink/2h artificial saliva, 4x per day for 7 days). Solutions were applied before each erosive cycle and varnishes were applied once. Vickers Microhardness (VHN) was obtained before and after all cycles of erosion and the percentage of microhardness loss was calculated. Shear bond strength, adhesive remnant index and polarized light microscopy were conducted after erosion. The data were analyzed by ANOVA, Tukey, Kruskal-Wallis and Mann-Whitney U tests (α=0.05). Results: The %VHN had no statistically significant differences among the experimental groups. However, considering the comparisons of all groups with the control group, TiF4 varnish showed the highest protection from enamel demineralization (effect size of 2.94, while the effect size for the other groups was >2.4). The TiF4 varnish group had significantly higher shear bond strength compared to other groups. There was no difference among groups for adhesive remnant index. Polarized light microscopy showed higher demineralization depth for the control group. Conclusions: Application of NaF and TiF4 agents during mild erosive challenge minimized the enamel mineral loss around brackets, however only the experimental TiF4 varnish was able to prevent the reduction of shear bond strength of brackets to enamel.eng--BrasilJournal of Applied Oral Science-BracketsFluoridesShear bond strengthTooth erosionTiF4 varnish protects the retention of brackets to enamel after in vitro mild erosive challengeinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleMedeir, Maria Isabel Dantas deCarlo, Hugo LemesSantos, Rogério Lacerda dosSousa, Frederico BarbosaCastro, Ricardo Dias deFrança, Renata Cristina SobreiraCarvalho, Fabíola Galbiatti deinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFJFinstname:Universidade Federal de Juiz de Fora (UFJF)instacron:UFJFTHUMBNAILTiF4 varnish protects the retention of brackets to enamel.pdf.jpgTiF4 varnish protects the retention of brackets to enamel.pdf.jpgGenerated Thumbnailimage/jpeg1603https://repositorio.ufjf.br/jspui/bitstream/ufjf/9241/4/TiF4%20varnish%20protects%20the%20retention%20of%20brackets%20to%20enamel.pdf.jpg897afa429d88e80f74181dc3f6f62e53MD54ORIGINALTiF4 varnish protects the retention of brackets to enamel.pdfTiF4 varnish protects the retention of brackets to enamel.pdfapplication/pdf594622https://repositorio.ufjf.br/jspui/bitstream/ufjf/9241/1/TiF4%20varnish%20protects%20the%20retention%20of%20brackets%20to%20enamel.pdfdd76ce1ba78afd289dfdfb0a6872be78MD51LICENSElicense.txtlicense.txttext/plain; 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| dc.title.pt_BR.fl_str_mv |
TiF4 varnish protects the retention of brackets to enamel after in vitro mild erosive challenge |
| title |
TiF4 varnish protects the retention of brackets to enamel after in vitro mild erosive challenge |
| spellingShingle |
TiF4 varnish protects the retention of brackets to enamel after in vitro mild erosive challenge Medeir, Maria Isabel Dantas de - Brackets Fluorides Shear bond strength Tooth erosion |
| title_short |
TiF4 varnish protects the retention of brackets to enamel after in vitro mild erosive challenge |
| title_full |
TiF4 varnish protects the retention of brackets to enamel after in vitro mild erosive challenge |
| title_fullStr |
TiF4 varnish protects the retention of brackets to enamel after in vitro mild erosive challenge |
| title_full_unstemmed |
TiF4 varnish protects the retention of brackets to enamel after in vitro mild erosive challenge |
| title_sort |
TiF4 varnish protects the retention of brackets to enamel after in vitro mild erosive challenge |
| author |
Medeir, Maria Isabel Dantas de |
| author_facet |
Medeir, Maria Isabel Dantas de Carlo, Hugo Lemes Santos, Rogério Lacerda dos Sousa, Frederico Barbosa Castro, Ricardo Dias de França, Renata Cristina Sobreira Carvalho, Fabíola Galbiatti de |
| author_role |
author |
| author2 |
Carlo, Hugo Lemes Santos, Rogério Lacerda dos Sousa, Frederico Barbosa Castro, Ricardo Dias de França, Renata Cristina Sobreira Carvalho, Fabíola Galbiatti de |
| author2_role |
author author author author author author |
| dc.contributor.author.fl_str_mv |
Medeir, Maria Isabel Dantas de Carlo, Hugo Lemes Santos, Rogério Lacerda dos Sousa, Frederico Barbosa Castro, Ricardo Dias de França, Renata Cristina Sobreira Carvalho, Fabíola Galbiatti de |
| dc.subject.cnpq.fl_str_mv |
- |
| topic |
- Brackets Fluorides Shear bond strength Tooth erosion |
| dc.subject.por.fl_str_mv |
Brackets Fluorides Shear bond strength Tooth erosion |
| description |
- |
| publishDate |
2018 |
| dc.date.issued.fl_str_mv |
2018-05 |
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2019-02-27T15:07:29Z |
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2019-02-26 2019-02-27T15:07:29Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
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article |
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publishedVersion |
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https://repositorio.ufjf.br/jspui/handle/ufjf/9241 |
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http://dx.doi.org/10.1590/1678-7757-2017-0222 |
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http://dx.doi.org/10.1590/1678-7757-2017-0222 https://repositorio.ufjf.br/jspui/handle/ufjf/9241 |
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eng |
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eng |
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Journal of Applied Oral Science |
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info:eu-repo/semantics/openAccess |
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openAccess |
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Brasil |
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