Fluoride concentration and stability in commonly used dentifrices in Sri Lanka
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Brazilian journal of oral sciences (Online) |
Texto Completo: | https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8654067 |
Resumo: | According to the best scientific evidence, a dentifrice should contain 1000 ppm F or above but to guarantee the anti-caries efficacy this concentration should be chemically soluble and remain stable until the dentifrice expiration date. This stability depends on the type of abrasive and fluoride salt used in the formulation. Nine brands of dentifrices purchased in the Sri Lankan market were evaluated. The total fluoride (TF = soluble + insoluble) and total soluble fluoride (TSF = ion MFP + ion F-) concentrations were determined in fresh samples and after storage at room temperature and after accelerated aging. The analyses were made with an ion specific electrode using a validated analytical method. Three dentifrices were formulated with MFP/CaCO3, two with MFP/Silica, two with NaF/Silica and two were not fluoridated. The TF concentration found was very close to the concentration declared by the manufacturer. However, even in the fresh sample of one dentifrice formulated with MFP/CaCO3, there was insoluble fluoride (22%). The TSF concentration in all MFP/CaCO3-based dentifrices decreased with storage while insoluble fluoride had increased. The dentifrices formulated with MFP/Silica and NaF/Silica showed chemical stability. This is the first study done about the chemical quality of fluoride dentifrices marketed in Sri Lanka and the findings are an alert for a surveillance system in the country. |
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Brazilian journal of oral sciences (Online) |
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Fluoride concentration and stability in commonly used dentifrices in Sri LankaFluorides. Dental caries. Dentifrices.According to the best scientific evidence, a dentifrice should contain 1000 ppm F or above but to guarantee the anti-caries efficacy this concentration should be chemically soluble and remain stable until the dentifrice expiration date. This stability depends on the type of abrasive and fluoride salt used in the formulation. Nine brands of dentifrices purchased in the Sri Lankan market were evaluated. The total fluoride (TF = soluble + insoluble) and total soluble fluoride (TSF = ion MFP + ion F-) concentrations were determined in fresh samples and after storage at room temperature and after accelerated aging. The analyses were made with an ion specific electrode using a validated analytical method. Three dentifrices were formulated with MFP/CaCO3, two with MFP/Silica, two with NaF/Silica and two were not fluoridated. The TF concentration found was very close to the concentration declared by the manufacturer. However, even in the fresh sample of one dentifrice formulated with MFP/CaCO3, there was insoluble fluoride (22%). The TSF concentration in all MFP/CaCO3-based dentifrices decreased with storage while insoluble fluoride had increased. The dentifrices formulated with MFP/Silica and NaF/Silica showed chemical stability. This is the first study done about the chemical quality of fluoride dentifrices marketed in Sri Lanka and the findings are an alert for a surveillance system in the country.Universidade Estadual de Campinas2018-11-27info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionOriginal articleapplication/pdfhttps://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/865406710.20396/bjos.v17i0.8654067Brazilian Journal of Oral Sciences; v. 17 (2018): Continuous Publication; e181244Brazilian Journal of Oral Sciences; Vol. 17 (2018): Continuous Publication; e1812441677-3225reponame:Brazilian journal of oral sciences (Online)instname:Universidade Estadual de Campinas (UNICAMP)instacron:UNICAMPenghttps://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8654067/19134Soysa, Niroshani SurangikaCury, Jaime AparecidoAlles, Chrisman Neil Roshan Alexanderinfo:eu-repo/semantics/openAccess2020-12-22T01:34:08Zoai:ojs.periodicos.sbu.unicamp.br:article/8654067Revistahttps://periodicos.sbu.unicamp.br/ojs/index.php/bjos/PUBhttps://periodicos.sbu.unicamp.br/ojs/index.php/bjos/oaibrjorals@fop.unicamp.br||brjorals@fop.unicamp.br1677-32251677-3217opendoar:2020-12-22T01:34:08Brazilian journal of oral sciences (Online) - Universidade Estadual de Campinas (UNICAMP)false |
dc.title.none.fl_str_mv |
Fluoride concentration and stability in commonly used dentifrices in Sri Lanka |
title |
Fluoride concentration and stability in commonly used dentifrices in Sri Lanka |
spellingShingle |
Fluoride concentration and stability in commonly used dentifrices in Sri Lanka Soysa, Niroshani Surangika Fluorides. Dental caries. Dentifrices. |
title_short |
Fluoride concentration and stability in commonly used dentifrices in Sri Lanka |
title_full |
Fluoride concentration and stability in commonly used dentifrices in Sri Lanka |
title_fullStr |
Fluoride concentration and stability in commonly used dentifrices in Sri Lanka |
title_full_unstemmed |
Fluoride concentration and stability in commonly used dentifrices in Sri Lanka |
title_sort |
Fluoride concentration and stability in commonly used dentifrices in Sri Lanka |
author |
Soysa, Niroshani Surangika |
author_facet |
Soysa, Niroshani Surangika Cury, Jaime Aparecido Alles, Chrisman Neil Roshan Alexander |
author_role |
author |
author2 |
Cury, Jaime Aparecido Alles, Chrisman Neil Roshan Alexander |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Soysa, Niroshani Surangika Cury, Jaime Aparecido Alles, Chrisman Neil Roshan Alexander |
dc.subject.por.fl_str_mv |
Fluorides. Dental caries. Dentifrices. |
topic |
Fluorides. Dental caries. Dentifrices. |
description |
According to the best scientific evidence, a dentifrice should contain 1000 ppm F or above but to guarantee the anti-caries efficacy this concentration should be chemically soluble and remain stable until the dentifrice expiration date. This stability depends on the type of abrasive and fluoride salt used in the formulation. Nine brands of dentifrices purchased in the Sri Lankan market were evaluated. The total fluoride (TF = soluble + insoluble) and total soluble fluoride (TSF = ion MFP + ion F-) concentrations were determined in fresh samples and after storage at room temperature and after accelerated aging. The analyses were made with an ion specific electrode using a validated analytical method. Three dentifrices were formulated with MFP/CaCO3, two with MFP/Silica, two with NaF/Silica and two were not fluoridated. The TF concentration found was very close to the concentration declared by the manufacturer. However, even in the fresh sample of one dentifrice formulated with MFP/CaCO3, there was insoluble fluoride (22%). The TSF concentration in all MFP/CaCO3-based dentifrices decreased with storage while insoluble fluoride had increased. The dentifrices formulated with MFP/Silica and NaF/Silica showed chemical stability. This is the first study done about the chemical quality of fluoride dentifrices marketed in Sri Lanka and the findings are an alert for a surveillance system in the country. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-11-27 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Original article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8654067 10.20396/bjos.v17i0.8654067 |
url |
https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8654067 |
identifier_str_mv |
10.20396/bjos.v17i0.8654067 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8654067/19134 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Estadual de Campinas |
publisher.none.fl_str_mv |
Universidade Estadual de Campinas |
dc.source.none.fl_str_mv |
Brazilian Journal of Oral Sciences; v. 17 (2018): Continuous Publication; e181244 Brazilian Journal of Oral Sciences; Vol. 17 (2018): Continuous Publication; e181244 1677-3225 reponame:Brazilian journal of oral sciences (Online) instname:Universidade Estadual de Campinas (UNICAMP) instacron:UNICAMP |
instname_str |
Universidade Estadual de Campinas (UNICAMP) |
instacron_str |
UNICAMP |
institution |
UNICAMP |
reponame_str |
Brazilian journal of oral sciences (Online) |
collection |
Brazilian journal of oral sciences (Online) |
repository.name.fl_str_mv |
Brazilian journal of oral sciences (Online) - Universidade Estadual de Campinas (UNICAMP) |
repository.mail.fl_str_mv |
brjorals@fop.unicamp.br||brjorals@fop.unicamp.br |
_version_ |
1800216402321211392 |