Amalgams made from liquid Hg-In.
Identifieur interne : 004783 ( Main/Exploration ); précédent : 004782; suivant : 004784Amalgams made from liquid Hg-In.
Auteurs : RBID : pubmed:7492724English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Copper, Dental Amalgam, Indium, Mercury, Silver, Tin.
- chemical , standards : Dental Amalgam.
- chemical : Alloys.
- Biomechanical Phenomena, Electron Probe Microanalysis, Microscopy, Electron, Scanning, X-Ray Diffraction.
Abstract
The addition of indium to amalgam appears to reduce the mercury vapour above fillings during setting. In the present work the structure and the physical properties of amalgams with In additions to the mercury up to 30 vol.% have been investigated. No new phase or undissolved in could be detected by X-ray diffraction and scanning electron microscopy studies. Energy dispersive spectroscopy measured 4 at.% In in the gamma 1-phase of an amalgam with 20 vol.% In added to the mercury. At the same time, the Ag/Hg ratio was substantially increased compared with amalgam having no In addition. The compression strength decreased with increasing In content, and for amalgam with as much as 30 vol.% In added to the mercury, it fell below the minimum requirement of ISO 1559 (Alloys for dental amalgam, International Organization for Standardization, Geneva, 1986). An abrupt drop of the load at the onset of failure and cracks running through the gamma 1-phase, as well as the eta-phase, indicates embrittlement of these phases with increasing In content.
PubMed: 7492724
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Amalgams made from liquid Hg-In.</title><author><name sortKey="Her, H" uniqKey="Her H">H Herø</name><affiliation wicri:level="1"><nlm:affiliation>NIOM, Scandinavian Institute of Dental Materials, Haslum, Norway.</nlm:affiliation><country xml:lang="fr">Norvège</country><wicri:regionArea>NIOM, Scandinavian Institute of Dental Materials, Haslum</wicri:regionArea></affiliation></author><author><name sortKey="J Rgensen, R B" uniqKey="J Rgensen R">R B Jørgensen</name></author><author><name sortKey="Shuiping, L" uniqKey="Shuiping L">L Shuiping</name></author></titleStmt><publicationStmt><date when="1995">1995</date><idno type="RBID">pubmed:7492724</idno><idno type="pmid">7492724</idno><idno type="wicri:Area/Main/Corpus">004A04</idno><idno type="wicri:Area/Main/Curation">004A04</idno><idno type="wicri:Area/Main/Exploration">004783</idno></publicationStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alloys</term><term>Biomechanical Phenomena</term><term>Copper (chemistry)</term><term>Dental Amalgam (chemistry)</term><term>Dental Amalgam (standards)</term><term>Electron Probe Microanalysis</term><term>Indium (chemistry)</term><term>Mercury (chemistry)</term><term>Microscopy, Electron, Scanning</term><term>Silver (chemistry)</term><term>Tin (chemistry)</term><term>X-Ray Diffraction</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Copper</term><term>Dental Amalgam</term><term>Indium</term><term>Mercury</term><term>Silver</term><term>Tin</term></keywords><keywords scheme="MESH" type="chemical" qualifier="standards" xml:lang="en"><term>Dental Amalgam</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Alloys</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomechanical Phenomena</term><term>Electron Probe Microanalysis</term><term>Microscopy, Electron, Scanning</term><term>X-Ray Diffraction</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The addition of indium to amalgam appears to reduce the mercury vapour above fillings during setting. In the present work the structure and the physical properties of amalgams with In additions to the mercury up to 30 vol.% have been investigated. No new phase or undissolved in could be detected by X-ray diffraction and scanning electron microscopy studies. Energy dispersive spectroscopy measured 4 at.% In in the gamma 1-phase of an amalgam with 20 vol.% In added to the mercury. At the same time, the Ag/Hg ratio was substantially increased compared with amalgam having no In addition. The compression strength decreased with increasing In content, and for amalgam with as much as 30 vol.% In added to the mercury, it fell below the minimum requirement of ISO 1559 (Alloys for dental amalgam, International Organization for Standardization, Geneva, 1986). An abrupt drop of the load at the onset of failure and cracks running through the gamma 1-phase, as well as the eta-phase, indicates embrittlement of these phases with increasing In content.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">7492724</PMID><DateCreated><Year>1996</Year><Month>01</Month><Day>11</Day></DateCreated><DateCompleted><Year>1996</Year><Month>01</Month><Day>11</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0142-9612</ISSN><JournalIssue CitedMedium="Print"><Volume>16</Volume><Issue>7</Issue><PubDate><Year>1995</Year><Month>May</Month></PubDate></JournalIssue><Title>Biomaterials</Title><ISOAbbreviation>Biomaterials</ISOAbbreviation></Journal><ArticleTitle>Amalgams made from liquid Hg-In.</ArticleTitle><Pagination><MedlinePgn>581-4</MedlinePgn></Pagination><Abstract><AbstractText>The addition of indium to amalgam appears to reduce the mercury vapour above fillings during setting. In the present work the structure and the physical properties of amalgams with In additions to the mercury up to 30 vol.% have been investigated. No new phase or undissolved in could be detected by X-ray diffraction and scanning electron microscopy studies. Energy dispersive spectroscopy measured 4 at.% In in the gamma 1-phase of an amalgam with 20 vol.% In added to the mercury. At the same time, the Ag/Hg ratio was substantially increased compared with amalgam having no In addition. The compression strength decreased with increasing In content, and for amalgam with as much as 30 vol.% In added to the mercury, it fell below the minimum requirement of ISO 1559 (Alloys for dental amalgam, International Organization for Standardization, Geneva, 1986). An abrupt drop of the load at the onset of failure and cracks running through the gamma 1-phase, as well as the eta-phase, indicates embrittlement of these phases with increasing In content.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Herø</LastName><ForeName>H</ForeName><Initials>H</Initials><Affiliation>NIOM, Scandinavian Institute of Dental Materials, Haslum, Norway.</Affiliation></Author><Author ValidYN="Y"><LastName>Jørgensen</LastName><ForeName>R B</ForeName><Initials>RB</Initials></Author><Author ValidYN="Y"><LastName>Shuiping</LastName><ForeName>L</ForeName><Initials>L</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType>Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>ENGLAND</Country><MedlineTA>Biomaterials</MedlineTA><NlmUniqueID>8100316</NlmUniqueID><ISSNLinking>0142-9612</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance>Alloys</NameOfSubstance></Chemical><Chemical><RegistryNumber>045A6V3VFX</RegistryNumber><NameOfSubstance>Indium</NameOfSubstance></Chemical><Chemical><RegistryNumber>3M4G523W1G</RegistryNumber><NameOfSubstance>Silver</NameOfSubstance></Chemical><Chemical><RegistryNumber>7440-31-5</RegistryNumber><NameOfSubstance>Tin</NameOfSubstance></Chemical><Chemical><RegistryNumber>789U1901C5</RegistryNumber><NameOfSubstance>Copper</NameOfSubstance></Chemical><Chemical><RegistryNumber>8049-85-2</RegistryNumber><NameOfSubstance>Dental Amalgam</NameOfSubstance></Chemical><Chemical><RegistryNumber>FXS1BY2PGL</RegistryNumber><NameOfSubstance>Mercury</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N">Alloys</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Biomechanical Phenomena</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Copper</DescriptorName><QualifierName MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Dental Amalgam</DescriptorName><QualifierName MajorTopicYN="N">chemistry</QualifierName><QualifierName MajorTopicYN="Y">standards</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Electron Probe Microanalysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Indium</DescriptorName><QualifierName MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Mercury</DescriptorName><QualifierName MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Microscopy, Electron, Scanning</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Silver</DescriptorName><QualifierName MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Tin</DescriptorName><QualifierName MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">X-Ray Diffraction</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1995</Year><Month>5</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1995</Year><Month>5</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1995</Year><Month>5</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">7492724</ArticleId><ArticleId IdType="pii">014296129591133J</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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