Hydroxyl and calcium ions diffusion from endodontic materials through roots of primary teeth - in vitro study
Autor(a) principal: | |
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Data de Publicação: | 2005 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Journal of applied oral science (Online) |
Texto Completo: | https://www.revistas.usp.br/jaos/article/view/3274 |
Resumo: | The purpose of this research was to evaluate the diffusion of calcium (Ca+2) and hydroxyl (OH-) ions from materials with a calcium hydroxide base - Ca(OH)2 through the intact roots of deciduous teeth. This diffusion of ions is important for periapical healing. Forty-six deciduous teeth were selected and instrumented to their working length with #40 files. The teeth were washed during cleaning and shaping with a 1% sodium hypochlorite (NaOCl) solution. The canals were dried with paper points. The teeth were divided into 4 groups based on the sealer type, with 10 specimens in each group. A fifth group of 6 teeth without sealer constituted the control group. The materials used as sealers were: Ca(OH)2 paste associated to propylene glycol (CaPE) thickened at the proportion of 2:1 w/v; UFSC (Federal University of Santa Catarina) paste - a mixture of 0.3g of zinc oxide with 0.3g of Ca(OH)2 with 0.2ml of olive oil 1:1 w/w; Vitapex® and Sealapex®. The coronal access was sealed with a glass ionomer after the root had been filled with each sealer. A one-third apical surface and foramen was hard-pressed with Araldite®. The teeth were stored individually in flasks containing saline solution at 37ºC and 100% humidity. The OH- and Ca+2 ions diffusion levels were determined using a pH meter and an atomic absorption spectrometer. Data were collected at 48 hours and at intervals of 7, 30, 45 and 60 days. Statistical analysis was performed using ANOVA to compare groups. In the pH evaluation, the CaPE group presented the largest OH- ions diffusion, which peaked at sixty days (p=0.0309), when compared to the other groups (p |
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Hydroxyl and calcium ions diffusion from endodontic materials through roots of primary teeth - in vitro study Avaliação in vitro da difusão de íons Ca+2 e OH- de materiais endodônticos em dentes decíduos Hidróxido de cálcioEspectrofotometria de absorção atômicaDifusão de íons hidroxilaDifusão de íons cálcioCurativos endodônticosDente decíduoCalcium hydroxideAtomic absorption spectrophotometerPrimary teeth The purpose of this research was to evaluate the diffusion of calcium (Ca+2) and hydroxyl (OH-) ions from materials with a calcium hydroxide base - Ca(OH)2 through the intact roots of deciduous teeth. This diffusion of ions is important for periapical healing. Forty-six deciduous teeth were selected and instrumented to their working length with #40 files. The teeth were washed during cleaning and shaping with a 1% sodium hypochlorite (NaOCl) solution. The canals were dried with paper points. The teeth were divided into 4 groups based on the sealer type, with 10 specimens in each group. A fifth group of 6 teeth without sealer constituted the control group. The materials used as sealers were: Ca(OH)2 paste associated to propylene glycol (CaPE) thickened at the proportion of 2:1 w/v; UFSC (Federal University of Santa Catarina) paste - a mixture of 0.3g of zinc oxide with 0.3g of Ca(OH)2 with 0.2ml of olive oil 1:1 w/w; Vitapex® and Sealapex®. The coronal access was sealed with a glass ionomer after the root had been filled with each sealer. A one-third apical surface and foramen was hard-pressed with Araldite®. The teeth were stored individually in flasks containing saline solution at 37ºC and 100% humidity. The OH- and Ca+2 ions diffusion levels were determined using a pH meter and an atomic absorption spectrometer. Data were collected at 48 hours and at intervals of 7, 30, 45 and 60 days. Statistical analysis was performed using ANOVA to compare groups. In the pH evaluation, the CaPE group presented the largest OH- ions diffusion, which peaked at sixty days (p=0.0309), when compared to the other groups (p O objetivo desta pesquisa foi avaliar a difusão de íons Ca+2 e OH- de materiais endodônticos a base hidróxido de cálcio - Ca(OH)2, através da raiz intacta de dentes decíduos. 46 dentes decíduos foram selecionados e instrumentados em seu comprimento de trabalho até a lima # 40, e irrigados durante o preparo com solução de hipoclorito de sódio 1%, e secos com cones de papel absorvente. Os dentes foram separados em 4 grupos de 10 dentes cada conforme o material obturador, e um grupo controle com 6 dentes permaneceu vazio. Os materiais utilizados como obturadores foram: pasta de Ca(OH)2 associada ao propilenoglicol espessada (CaPE) na proporção de 0,4g de pó para 0,2ml de líquido; pasta UFSC, mistura de 0,3g de pó de óxido de zinco com 0,3g de pó de Ca(OH)2 associado a 0,2ml de óleo de oliva; Vitapex® e Sealapex®. Após a obturação, todos os dentes tiveram o forame e terço apical selado com Araldite® e o acesso coronal selado com ionômero de vidro, permanecendo em frascos individuais com a raiz submersa em solução fisiológica, em estufa a 37ºC em 100% de umidade. A análise da difusão de íons OH- e Ca+2 foi realizada por meio de um pHmetro calibrado e um espectrômetro de absorção atômica, respectivamente, em 48h e em 7, 30, 45 e 60 dias. Conforme o teste estatístico ANOVA para a avaliação do pH, o grupo CaPE apresentou valor estatisticamente significante em relação aos outros grupos (pUniversidade de São Paulo. Faculdade de Odontologia de Bauru2005-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/jaos/article/view/327410.1590/S1678-77572005000200018Journal of Applied Oral Science; Vol. 13 No. 2 (2005); 187-192 Journal of Applied Oral Science; Vol. 13 Núm. 2 (2005); 187-192 Journal of Applied Oral Science; v. 13 n. 2 (2005); 187-192 1678-77651678-7757reponame:Journal of applied oral science (Online)instname:Universidade de São Paulo (USP)instacron:USPenghttps://www.revistas.usp.br/jaos/article/view/3274/3964Copyright (c) 2005 Journal of Applied Oral Scienceinfo:eu-repo/semantics/openAccessNunes, Ana Cristina Gerent PetryRocha, Maria José de Carvalho2012-04-27T11:50:31Zoai:revistas.usp.br:article/3274Revistahttp://www.scielo.br/jaosPUBhttps://www.revistas.usp.br/jaos/oai||jaos@usp.br1678-77651678-7757opendoar:2012-04-27T11:50:31Journal of applied oral science (Online) - Universidade de São Paulo (USP)false |
dc.title.none.fl_str_mv |
Hydroxyl and calcium ions diffusion from endodontic materials through roots of primary teeth - in vitro study Avaliação in vitro da difusão de íons Ca+2 e OH- de materiais endodônticos em dentes decíduos |
title |
Hydroxyl and calcium ions diffusion from endodontic materials through roots of primary teeth - in vitro study |
spellingShingle |
Hydroxyl and calcium ions diffusion from endodontic materials through roots of primary teeth - in vitro study Nunes, Ana Cristina Gerent Petry Hidróxido de cálcio Espectrofotometria de absorção atômica Difusão de íons hidroxila Difusão de íons cálcio Curativos endodônticos Dente decíduo Calcium hydroxide Atomic absorption spectrophotometer Primary teeth |
title_short |
Hydroxyl and calcium ions diffusion from endodontic materials through roots of primary teeth - in vitro study |
title_full |
Hydroxyl and calcium ions diffusion from endodontic materials through roots of primary teeth - in vitro study |
title_fullStr |
Hydroxyl and calcium ions diffusion from endodontic materials through roots of primary teeth - in vitro study |
title_full_unstemmed |
Hydroxyl and calcium ions diffusion from endodontic materials through roots of primary teeth - in vitro study |
title_sort |
Hydroxyl and calcium ions diffusion from endodontic materials through roots of primary teeth - in vitro study |
author |
Nunes, Ana Cristina Gerent Petry |
author_facet |
Nunes, Ana Cristina Gerent Petry Rocha, Maria José de Carvalho |
author_role |
author |
author2 |
Rocha, Maria José de Carvalho |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Nunes, Ana Cristina Gerent Petry Rocha, Maria José de Carvalho |
dc.subject.por.fl_str_mv |
Hidróxido de cálcio Espectrofotometria de absorção atômica Difusão de íons hidroxila Difusão de íons cálcio Curativos endodônticos Dente decíduo Calcium hydroxide Atomic absorption spectrophotometer Primary teeth |
topic |
Hidróxido de cálcio Espectrofotometria de absorção atômica Difusão de íons hidroxila Difusão de íons cálcio Curativos endodônticos Dente decíduo Calcium hydroxide Atomic absorption spectrophotometer Primary teeth |
description |
The purpose of this research was to evaluate the diffusion of calcium (Ca+2) and hydroxyl (OH-) ions from materials with a calcium hydroxide base - Ca(OH)2 through the intact roots of deciduous teeth. This diffusion of ions is important for periapical healing. Forty-six deciduous teeth were selected and instrumented to their working length with #40 files. The teeth were washed during cleaning and shaping with a 1% sodium hypochlorite (NaOCl) solution. The canals were dried with paper points. The teeth were divided into 4 groups based on the sealer type, with 10 specimens in each group. A fifth group of 6 teeth without sealer constituted the control group. The materials used as sealers were: Ca(OH)2 paste associated to propylene glycol (CaPE) thickened at the proportion of 2:1 w/v; UFSC (Federal University of Santa Catarina) paste - a mixture of 0.3g of zinc oxide with 0.3g of Ca(OH)2 with 0.2ml of olive oil 1:1 w/w; Vitapex® and Sealapex®. The coronal access was sealed with a glass ionomer after the root had been filled with each sealer. A one-third apical surface and foramen was hard-pressed with Araldite®. The teeth were stored individually in flasks containing saline solution at 37ºC and 100% humidity. The OH- and Ca+2 ions diffusion levels were determined using a pH meter and an atomic absorption spectrometer. Data were collected at 48 hours and at intervals of 7, 30, 45 and 60 days. Statistical analysis was performed using ANOVA to compare groups. In the pH evaluation, the CaPE group presented the largest OH- ions diffusion, which peaked at sixty days (p=0.0309), when compared to the other groups (p |
publishDate |
2005 |
dc.date.none.fl_str_mv |
2005-06-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://www.revistas.usp.br/jaos/article/view/3274 10.1590/S1678-77572005000200018 |
url |
https://www.revistas.usp.br/jaos/article/view/3274 |
identifier_str_mv |
10.1590/S1678-77572005000200018 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://www.revistas.usp.br/jaos/article/view/3274/3964 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2005 Journal of Applied Oral Science info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2005 Journal of Applied Oral Science |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade de São Paulo. Faculdade de Odontologia de Bauru |
publisher.none.fl_str_mv |
Universidade de São Paulo. Faculdade de Odontologia de Bauru |
dc.source.none.fl_str_mv |
Journal of Applied Oral Science; Vol. 13 No. 2 (2005); 187-192 Journal of Applied Oral Science; Vol. 13 Núm. 2 (2005); 187-192 Journal of Applied Oral Science; v. 13 n. 2 (2005); 187-192 1678-7765 1678-7757 reponame:Journal of applied oral science (Online) instname:Universidade de São Paulo (USP) instacron:USP |
instname_str |
Universidade de São Paulo (USP) |
instacron_str |
USP |
institution |
USP |
reponame_str |
Journal of applied oral science (Online) |
collection |
Journal of applied oral science (Online) |
repository.name.fl_str_mv |
Journal of applied oral science (Online) - Universidade de São Paulo (USP) |
repository.mail.fl_str_mv |
||jaos@usp.br |
_version_ |
1800221672055242752 |