Retention of KOH-soluble fluoride on enamel and dentine under erosive conditions--A comparison of in vitro and in situ results.
Identifieur interne : 000410 ( Main/Exploration ); précédent : 000409; suivant : 000411Retention of KOH-soluble fluoride on enamel and dentine under erosive conditions--A comparison of in vitro and in situ results.
Auteurs : Carolina Ganss [Allemagne] ; Nadine Schlueter ; Joachim KlimekSource :
- Archives of oral biology [ 0003-9969 ] ; 2007.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Amines, Composés du potassium, Dentine, Fluorures, Hydroxydes, Émail dentaire, Érosion dentaire.
- méthodes : Enrichissement en fluor.
- Diamines, Humains, Molaire, Solubilité.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Amines, Fluorides, Hydroxides, Potassium Compounds.
- metabolism : Dental Enamel, Dentin, Tooth Erosion.
- methods : Fluoridation.
- chemical : Diamines, Humans, Molar, Solubility.
Abstract
OBJECTIVES
Aim of the study was to investigate the stability of CaF(2)-like precipitates on enamel and dentine under neutral or acidic conditions and to compare in vitro and in situ results.
METHODS
Human enamel and dentine specimens were fluoridated (Elmex fluid, 5 min) and subjected to erosive demineralisation (Sprite light: 3/day each; 30 s in vitro, 2 min in situ) or stored under neutral conditions for 4 (in vitro) or 7 (in situ) days. KOH-soluble fluoride was determined using an ion selective electrode. Between the acid attacks, specimens were stored in remineralisation solution (in vitro) or retained in the oral cavity (four volunteers for enamel and dentine each).
RESULTS
Initially, high amounts of KOH-soluble fluoride were gained (between 77.9+/-12.3 and 96.0+/-46.4 microg/cm2). Under neutral conditions in vitro, a significant decrease on enamel (16.2+/-5.0 microg/cm2) and dentine (18.6+/-10.5 microg/cm2) was found, which was more severe under acidic conditions (6.3+/-3.0 and 5.1+/-2.1 microg/cm2, respectively). Under in situ conditions, KOH-soluble fluoride was strikingly stable on enamel under neutral (42.3+/-12.6 microg/cm2) as well as under acidic conditions (54.1+/-17.4 microg/cm2). On dentine, the dissolution kinetics of KOH-soluble fluoride was similar to the in vitro conditions, but the loss was less severe (45.3+/-12.9 microg/cm2 under neutral and 8.8+/-6.4 microg/cm2 under acidic conditions).
CONCLUSIONS
In vitro, more KOH-soluble fluoride was lost under erosive compared to neutral conditions. The intra-oral environment was considerably protective for CaF2-like precipitates especially on enamel.
DOI: 10.1016/j.archoralbio.2006.07.004
PubMed: 17049481
Affiliations:
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Schlueter</name></author><author><name sortKey="Klimek, Joachim" sort="Klimek, Joachim" uniqKey="Klimek J" first="Joachim" last="Klimek">Joachim Klimek</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2007">2007</date><idno type="RBID">pubmed:17049481</idno><idno type="pmid">17049481</idno><idno type="doi">10.1016/j.archoralbio.2006.07.004</idno><idno type="wicri:Area/Main/Corpus">000431</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000431</idno><idno type="wicri:Area/Main/Curation">000431</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">000431</idno><idno type="wicri:Area/Main/Exploration">000431</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Retention of KOH-soluble fluoride on enamel and dentine under erosive conditions--A comparison of in vitro and in situ results.</title><author><name sortKey="Ganss, Carolina" sort="Ganss, Carolina" uniqKey="Ganss C" first="Carolina" last="Ganss">Carolina Ganss</name><affiliation wicri:level="1"><nlm:affiliation>Department of Conservative and Preventive Dentistry, Dental Clinic, Justus-Liebig-University, Giessen, Germany. carolina.ganss@dentist.med.uni-giessen.de</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Conservative and Preventive Dentistry, Dental Clinic, Justus-Liebig-University, Giessen</wicri:regionArea><wicri:noRegion>Giessen</wicri:noRegion><wicri:noRegion>Giessen</wicri:noRegion><wicri:noRegion>Giessen</wicri:noRegion></affiliation></author><author><name sortKey="Schlueter, Nadine" sort="Schlueter, Nadine" uniqKey="Schlueter N" first="Nadine" last="Schlueter">Nadine Schlueter</name></author><author><name sortKey="Klimek, Joachim" sort="Klimek, Joachim" uniqKey="Klimek J" first="Joachim" last="Klimek">Joachim Klimek</name></author></analytic><series><title level="j">Archives of oral biology</title><idno type="ISSN">0003-9969</idno><imprint><date when="2007" type="published">2007</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Amines (metabolism)</term><term>Dental Enamel (metabolism)</term><term>Dentin (metabolism)</term><term>Diamines (MeSH)</term><term>Fluoridation (methods)</term><term>Fluorides (metabolism)</term><term>Humans (MeSH)</term><term>Hydroxides (metabolism)</term><term>Molar (MeSH)</term><term>Potassium Compounds (metabolism)</term><term>Solubility (MeSH)</term><term>Tooth Erosion (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Amines (métabolisme)</term><term>Composés du potassium (métabolisme)</term><term>Dentine (métabolisme)</term><term>Diamines (MeSH)</term><term>Enrichissement en fluor (méthodes)</term><term>Fluorures (métabolisme)</term><term>Humains (MeSH)</term><term>Hydroxydes (métabolisme)</term><term>Molaire (MeSH)</term><term>Solubilité (MeSH)</term><term>Émail dentaire (métabolisme)</term><term>Érosion dentaire (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Amines</term><term>Fluorides</term><term>Hydroxides</term><term>Potassium Compounds</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Dental Enamel</term><term>Dentin</term><term>Tooth Erosion</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Fluoridation</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Amines</term><term>Composés du potassium</term><term>Dentine</term><term>Fluorures</term><term>Hydroxydes</term><term>Émail dentaire</term><term>Érosion dentaire</term></keywords><keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Enrichissement en fluor</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Diamines</term><term>Humans</term><term>Molar</term><term>Solubility</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Diamines</term><term>Humains</term><term>Molaire</term><term>Solubilité</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><b>OBJECTIVES</b></p><p>Aim of the study was to investigate the stability of CaF(2)-like precipitates on enamel and dentine under neutral or acidic conditions and to compare in vitro and in situ results.</p></div><div type="abstract" xml:lang="en"><p><b>METHODS</b></p><p>Human enamel and dentine specimens were fluoridated (Elmex fluid, 5 min) and subjected to erosive demineralisation (Sprite light: 3/day each; 30 s in vitro, 2 min in situ) or stored under neutral conditions for 4 (in vitro) or 7 (in situ) days. KOH-soluble fluoride was determined using an ion selective electrode. Between the acid attacks, specimens were stored in remineralisation solution (in vitro) or retained in the oral cavity (four volunteers for enamel and dentine each).</p></div><div type="abstract" xml:lang="en"><p><b>RESULTS</b></p><p>Initially, high amounts of KOH-soluble fluoride were gained (between 77.9+/-12.3 and 96.0+/-46.4 microg/cm2). Under neutral conditions in vitro, a significant decrease on enamel (16.2+/-5.0 microg/cm2) and dentine (18.6+/-10.5 microg/cm2) was found, which was more severe under acidic conditions (6.3+/-3.0 and 5.1+/-2.1 microg/cm2, respectively). Under in situ conditions, KOH-soluble fluoride was strikingly stable on enamel under neutral (42.3+/-12.6 microg/cm2) as well as under acidic conditions (54.1+/-17.4 microg/cm2). On dentine, the dissolution kinetics of KOH-soluble fluoride was similar to the in vitro conditions, but the loss was less severe (45.3+/-12.9 microg/cm2 under neutral and 8.8+/-6.4 microg/cm2 under acidic conditions).</p></div><div type="abstract" xml:lang="en"><p><b>CONCLUSIONS</b></p><p>In vitro, more KOH-soluble fluoride was lost under erosive compared to neutral conditions. The intra-oral environment was considerably protective for CaF2-like precipitates especially on enamel.</p></div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">17049481</PMID><DateCompleted><Year>2007</Year><Month>11</Month><Day>09</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0003-9969</ISSN><JournalIssue CitedMedium="Print"><Volume>52</Volume><Issue>1</Issue><PubDate><Year>2007</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Archives of oral biology</Title><ISOAbbreviation>Arch Oral Biol</ISOAbbreviation></Journal><ArticleTitle>Retention of KOH-soluble fluoride on enamel and dentine under erosive conditions--A comparison of in vitro and in situ results.</ArticleTitle><Pagination><MedlinePgn>9-14</MedlinePgn></Pagination><Abstract><AbstractText Label="OBJECTIVES" NlmCategory="OBJECTIVE">Aim of the study was to investigate the stability of CaF(2)-like precipitates on enamel and dentine under neutral or acidic conditions and to compare in vitro and in situ results.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">Human enamel and dentine specimens were fluoridated (Elmex fluid, 5 min) and subjected to erosive demineralisation (Sprite light: 3/day each; 30 s in vitro, 2 min in situ) or stored under neutral conditions for 4 (in vitro) or 7 (in situ) days. KOH-soluble fluoride was determined using an ion selective electrode. Between the acid attacks, specimens were stored in remineralisation solution (in vitro) or retained in the oral cavity (four volunteers for enamel and dentine each).</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">Initially, high amounts of KOH-soluble fluoride were gained (between 77.9+/-12.3 and 96.0+/-46.4 microg/cm2). Under neutral conditions in vitro, a significant decrease on enamel (16.2+/-5.0 microg/cm2) and dentine (18.6+/-10.5 microg/cm2) was found, which was more severe under acidic conditions (6.3+/-3.0 and 5.1+/-2.1 microg/cm2, respectively). Under in situ conditions, KOH-soluble fluoride was strikingly stable on enamel under neutral (42.3+/-12.6 microg/cm2) as well as under acidic conditions (54.1+/-17.4 microg/cm2). On dentine, the dissolution kinetics of KOH-soluble fluoride was similar to the in vitro conditions, but the loss was less severe (45.3+/-12.9 microg/cm2 under neutral and 8.8+/-6.4 microg/cm2 under acidic conditions).</AbstractText><AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">In vitro, more KOH-soluble fluoride was lost under erosive compared to neutral conditions. The intra-oral environment was considerably protective for CaF2-like precipitates especially on enamel.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ganss</LastName><ForeName>Carolina</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Department of Conservative and Preventive Dentistry, Dental Clinic, Justus-Liebig-University, Giessen, Germany. carolina.ganss@dentist.med.uni-giessen.de</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Schlueter</LastName><ForeName>Nadine</ForeName><Initials>N</Initials></Author><Author ValidYN="Y"><LastName>Klimek</LastName><ForeName>Joachim</ForeName><Initials>J</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2006</Year><Month>10</Month><Day>17</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Arch Oral Biol</MedlineTA><NlmUniqueID>0116711</NlmUniqueID><ISSNLinking>0003-9969</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000588">Amines</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D003959">Diamines</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D006878">Hydroxides</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D017680">Potassium Compounds</NameOfSubstance></Chemical><Chemical><RegistryNumber>8NY9L8837D</RegistryNumber><NameOfSubstance UI="C495399">Olaflur</NameOfSubstance></Chemical><Chemical><RegistryNumber>Q80VPU408O</RegistryNumber><NameOfSubstance UI="D005459">Fluorides</NameOfSubstance></Chemical><Chemical><RegistryNumber>WZH3C48M4T</RegistryNumber><NameOfSubstance UI="C029943">potassium hydroxide</NameOfSubstance></Chemical></ChemicalList><CitationSubset>D</CitationSubset><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000588" MajorTopicYN="N">Amines</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003743" MajorTopicYN="N">Dental Enamel</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003804" MajorTopicYN="N">Dentin</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003959" MajorTopicYN="N">Diamines</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005457" MajorTopicYN="N">Fluoridation</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005459" MajorTopicYN="N">Fluorides</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006878" MajorTopicYN="N">Hydroxides</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008963" MajorTopicYN="N">Molar</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017680" MajorTopicYN="N">Potassium Compounds</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012995" MajorTopicYN="N">Solubility</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014077" MajorTopicYN="N">Tooth Erosion</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2006</Year><Month>03</Month><Day>07</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2006</Year><Month>06</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2006</Year><Month>07</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2006</Year><Month>10</Month><Day>20</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2007</Year><Month>11</Month><Day>10</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2006</Year><Month>10</Month><Day>20</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">17049481</ArticleId><ArticleId IdType="pii">S0003-9969(06)00209-3</ArticleId><ArticleId IdType="doi">10.1016/j.archoralbio.2006.07.004</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Allemagne</li></country></list><tree><noCountry><name sortKey="Klimek, Joachim" sort="Klimek, Joachim" uniqKey="Klimek J" first="Joachim" last="Klimek">Joachim Klimek</name><name sortKey="Schlueter, Nadine" sort="Schlueter, Nadine" uniqKey="Schlueter N" first="Nadine" last="Schlueter">Nadine Schlueter</name></noCountry><country name="Allemagne"><noRegion><name sortKey="Ganss, Carolina" sort="Ganss, Carolina" uniqKey="Ganss C" first="Carolina" last="Ganss">Carolina Ganss</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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