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Article: Morphological and elemental analysis of silver penetration into sound/demineralized dentin after SDF application

TitleMorphological and elemental analysis of silver penetration into sound/demineralized dentin after SDF application
Authors
KeywordsSilver diammine fluoride
Silver penetration
Discoloration
Micro-PIXE/PIGE
Dentin
Issue Date2019
PublisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/dental
Citation
Dental Materials, 2019, v. 35 n. 12, p. 1718-1727 How to Cite?
AbstractObjective: The aim of this study was to evaluate the penetration depth of silver into sound and demineralized dentin after application of silver diamine fluoride (SDF). Methods: Two hundred and eighty-eight dentin specimens were used. The specimens were divided into 3 groups: (1) sound dentin (control), (2) 30 min EDTA-treated dentin; and (3) 13 h EDTA-treated dentin. SDF was applied to all specimens. Each group was divided into 3 subgroups according to storage time into: 24 h, 2 weeks and 1-year storage time. Each subgroup was further divided into four subgroups (n = 8) according to different examinations as optical microscope (OM) observation, scanning electron microscopic (SEM) observation, elemental analysis with energy dispersive spectroscopy (EDS) and Micro-PIXE test. Results: The OM showed discoloration in the superficial layer after 24 h and keep extending deeper after 2 weeks and 1-year. SEM showed silver crystals within dentinal tubules after 2 weeks and 1-year. EDS analysis can detect silver penetration only in the 1-year group reaching around 1200 μm inside dentin. Micro-PIXE test detected silver at all time intervals, confirming the EDS depth results. Significance: It can be concluded that silver ions can completely infiltrate the demineralized dentin lesion with further penetration into the underlying mineralized dentin.
Persistent Identifierhttp://hdl.handle.net/10722/289427
ISSN
2020 Impact Factor: 5.304
2020 SCImago Journal Rankings: 1.770
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSAYED, M-
dc.contributor.authorMATSUI, N-
dc.contributor.authorUO, M-
dc.contributor.authorNIKAIDO, T-
dc.contributor.authorOIKAWA, M-
dc.contributor.authorBurrow, MF-
dc.contributor.authorTAGAMI, J-
dc.date.accessioned2020-10-22T08:12:30Z-
dc.date.available2020-10-22T08:12:30Z-
dc.date.issued2019-
dc.identifier.citationDental Materials, 2019, v. 35 n. 12, p. 1718-1727-
dc.identifier.issn0109-5641-
dc.identifier.urihttp://hdl.handle.net/10722/289427-
dc.description.abstractObjective: The aim of this study was to evaluate the penetration depth of silver into sound and demineralized dentin after application of silver diamine fluoride (SDF). Methods: Two hundred and eighty-eight dentin specimens were used. The specimens were divided into 3 groups: (1) sound dentin (control), (2) 30 min EDTA-treated dentin; and (3) 13 h EDTA-treated dentin. SDF was applied to all specimens. Each group was divided into 3 subgroups according to storage time into: 24 h, 2 weeks and 1-year storage time. Each subgroup was further divided into four subgroups (n = 8) according to different examinations as optical microscope (OM) observation, scanning electron microscopic (SEM) observation, elemental analysis with energy dispersive spectroscopy (EDS) and Micro-PIXE test. Results: The OM showed discoloration in the superficial layer after 24 h and keep extending deeper after 2 weeks and 1-year. SEM showed silver crystals within dentinal tubules after 2 weeks and 1-year. EDS analysis can detect silver penetration only in the 1-year group reaching around 1200 μm inside dentin. Micro-PIXE test detected silver at all time intervals, confirming the EDS depth results. Significance: It can be concluded that silver ions can completely infiltrate the demineralized dentin lesion with further penetration into the underlying mineralized dentin.-
dc.languageeng-
dc.publisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/dental-
dc.relation.ispartofDental Materials-
dc.subjectSilver diammine fluoride-
dc.subjectSilver penetration-
dc.subjectDiscoloration-
dc.subjectMicro-PIXE/PIGE-
dc.subjectDentin-
dc.titleMorphological and elemental analysis of silver penetration into sound/demineralized dentin after SDF application-
dc.typeArticle-
dc.identifier.emailBurrow, MF: mfburr58@hku.hk-
dc.identifier.authorityBurrow, MF=rp01306-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.dental.2019.08.111-
dc.identifier.pmid31582323-
dc.identifier.scopuseid_2-s2.0-85072690928-
dc.identifier.hkuros316019-
dc.identifier.volume35-
dc.identifier.issue12-
dc.identifier.spage1718-
dc.identifier.epage1727-
dc.identifier.isiWOS:000499141100006-
dc.publisher.placeUnited States-
dc.identifier.issnl0109-5641-

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