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Assessing the bleaching effect of an experimental stabilized chlorine dioxide agent used for internal bleaching purposes
Hirata, Bruno Shindi; Berger, Sandrine Bittencourt; Guiraldo, Ricardo Danil; Felizardo, Klissia Romero; Ramos, Nádia Buzignani Pires; Lopes, Murilo Baena.
Afiliação
  • Hirata, Bruno Shindi; University of North Parana. Faculty of Dentistry. Department of Restorative Dentistry. Londrina. BR
  • Berger, Sandrine Bittencourt; University of North Parana. Faculty of Dentistry. Department of Restorative Dentistry. Londrina. BR
  • Guiraldo, Ricardo Danil; University of North Parana. Faculty of Dentistry. Department of Restorative Dentistry. Londrina. BR
  • Felizardo, Klissia Romero; Paranaense University. Faculty of Dentistry. Department of Restorative Dentistry. Londrina. BR
  • Ramos, Nádia Buzignani Pires; University of North Parana. Faculty of Dentistry. Department of Restorative Dentistry. Londrina. BR
  • Lopes, Murilo Baena; University of North Parana. Faculty of Dentistry. Department of Restorative Dentistry. Londrina. BR
Braz. j. oral sci ; 21: e227878, jan.-dez. 2022. tab
Artigo em Inglês | LILACS, BBO - Odontologia | ID: biblio-1384155
Biblioteca responsável: BR218.1
ABSTRACT
Aim Assessing the intracoronal bleaching effectiveness of an experimental chlorine dioxide product, based on the walking bleach technique. Methods Extracted bovine incisors were artificially stained with bovine blood and filled with zinc phosphate cement at cementoenamel junction level. Teeth were divided into 3 groups (n=10) (SP) sodium perborate added with distilled water, (CD) chlorine dioxide and (C) control - dry cotton inserted into the pulp chamber. Bleaching agents were used at 0, 7 and 14 days. VITA Easyshadetm (∆Eab) was used to analyze tooth color at the 7th, 14th and 21st days, based on the CIE2000 system. Data were analyzed through ANOVA and Tukey's test. Results There were no statistically significant differences in Δb, ΔE, ΔE00 and ΔWID between CD and the control group. These parameters have shown significant differences between CD and SP, which differed from the control. However, they did not show significant differences either in the control group or in CD at the 7th, 14th and 21st days. Values recorded for SP at the 7th day differed from those recorded at the 14th and 21st days. Δa has shown differences within the same group at the 7th, 14th and 21st days. There was no difference between groups, when they were compared at the same day (7th and 14th). The control group differed from SP at the 21st day. CD did not differ from the other two groups. ΔL did not show differences between groups and times. Conclusion Stabilized chlorine dioxide (0.07%, at pH 3.5) should not be used as intracoronal bleaching agent along with the walking bleach technique.
Assuntos


Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: BBO - Odontologia / LILACS Assunto principal: Clareamento Dental / Boratos / Compostos Clorados / Materiais Dentários / Dióxido de Cloro Idioma: Inglês Revista: Braz. j. oral sci Assunto da revista: Odontologia Ano de publicação: 2022 Tipo de documento: Artigo País de afiliação: Brasil Instituição/País de afiliação: Paranaense University/BR / University of North Parana/BR

Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: BBO - Odontologia / LILACS Assunto principal: Clareamento Dental / Boratos / Compostos Clorados / Materiais Dentários / Dióxido de Cloro Idioma: Inglês Revista: Braz. j. oral sci Assunto da revista: Odontologia Ano de publicação: 2022 Tipo de documento: Artigo País de afiliação: Brasil Instituição/País de afiliação: Paranaense University/BR / University of North Parana/BR
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