Dimensional stability of record bases fabricated from light-polymerized composite using two methods.
Identifieur interne : 009C66 ( Ncbi/Merge ); précédent : 009C65; suivant : 009C67Dimensional stability of record bases fabricated from light-polymerized composite using two methods.
Auteurs : K G Boberick [États-Unis] ; J. MccoolSource :
- The Journal of prosthetic dentistry [ 0022-3913 ] ; 1998.
Descripteurs français
- KwdFr :
- Bases d'appareil de prothèse dentaire, Chimie physique, Conception d'appareil de prothèse dentaire, Facteurs temps, Humains, Lumière, Maxillaire, Modèles dentaires, Mâchoire édentée (anatomopathologie), Palais, Phénomènes chimiques, Polymères (), Propriétés de surface, Résines acryliques (), Résines composites (), Technique de coulée dentaire.
- MESH :
- anatomopathologie : Mâchoire édentée.
- Bases d'appareil de prothèse dentaire, Chimie physique, Conception d'appareil de prothèse dentaire, Facteurs temps, Humains, Lumière, Maxillaire, Modèles dentaires, Palais, Phénomènes chimiques, Polymères, Propriétés de surface, Résines acryliques, Résines composites, Technique de coulée dentaire.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Acrylic Resins, Composite Resins, Polymers.
- pathology : Jaw, Edentulous.
- Chemical Phenomena, Chemistry, Physical, Dental Casting Technique, Dental Models, Denture Bases, Denture Design, Humans, Light, Maxilla, Palate, Surface Properties, Time Factors.
Abstract
Record bases fabricated from resin-based composite, which undergoes polymerization shrinkage during curing, can distort during curing to produce significant gaps along the posterior border.
PubMed: 9576313
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pubmed:9576313Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Dimensional stability of record bases fabricated from light-polymerized composite using two methods.</title><author><name sortKey="Boberick, K G" sort="Boberick, K G" uniqKey="Boberick K" first="K G" last="Boberick">K G Boberick</name><affiliation wicri:level="1"><nlm:affiliation>Department of Operative Dentistry, Temple University School of Dentistry, Philadelphia, PA 19140, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Operative Dentistry, Temple University School of Dentistry, Philadelphia, PA 19140</wicri:regionArea><wicri:noRegion>PA 19140</wicri:noRegion></affiliation></author><author><name sortKey="Mccool, J" sort="Mccool, J" uniqKey="Mccool J" first="J" last="Mccool">J. Mccool</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1998">1998</date><idno type="RBID">pubmed:9576313</idno><idno type="pmid">9576313</idno><idno type="wicri:Area/PubMed/Corpus">003B76</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">003B76</idno><idno type="wicri:Area/PubMed/Curation">003B76</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">003B76</idno><idno type="wicri:Area/PubMed/Checkpoint">003B76</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">003B76</idno><idno type="wicri:Area/Ncbi/Merge">009C66</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Dimensional stability of record bases fabricated from light-polymerized composite using two methods.</title><author><name sortKey="Boberick, K G" sort="Boberick, K G" uniqKey="Boberick K" first="K G" last="Boberick">K G Boberick</name><affiliation wicri:level="1"><nlm:affiliation>Department of Operative Dentistry, Temple University School of Dentistry, Philadelphia, PA 19140, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Operative Dentistry, Temple University School of Dentistry, Philadelphia, PA 19140</wicri:regionArea><wicri:noRegion>PA 19140</wicri:noRegion></affiliation></author><author><name sortKey="Mccool, J" sort="Mccool, J" uniqKey="Mccool J" first="J" last="Mccool">J. Mccool</name></author></analytic><series><title level="j">The Journal of prosthetic dentistry</title><idno type="ISSN">0022-3913</idno><imprint><date when="1998" type="published">1998</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acrylic Resins (chemistry)</term><term>Chemical Phenomena</term><term>Chemistry, Physical</term><term>Composite Resins (chemistry)</term><term>Dental Casting Technique</term><term>Dental Models</term><term>Denture Bases</term><term>Denture Design</term><term>Humans</term><term>Jaw, Edentulous (pathology)</term><term>Light</term><term>Maxilla</term><term>Palate</term><term>Polymers (chemistry)</term><term>Surface Properties</term><term>Time Factors</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Bases d'appareil de prothèse dentaire</term><term>Chimie physique</term><term>Conception d'appareil de prothèse dentaire</term><term>Facteurs temps</term><term>Humains</term><term>Lumière</term><term>Maxillaire</term><term>Modèles dentaires</term><term>Mâchoire édentée (anatomopathologie)</term><term>Palais</term><term>Phénomènes chimiques</term><term>Polymères ()</term><term>Propriétés de surface</term><term>Résines acryliques ()</term><term>Résines composites ()</term><term>Technique de coulée dentaire</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Acrylic Resins</term><term>Composite Resins</term><term>Polymers</term></keywords><keywords scheme="MESH" qualifier="anatomopathologie" xml:lang="fr"><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Chemical Phenomena</term><term>Chemistry, Physical</term><term>Dental Casting Technique</term><term>Dental Models</term><term>Denture Bases</term><term>Denture Design</term><term>Humans</term><term>Light</term><term>Maxilla</term><term>Palate</term><term>Surface Properties</term><term>Time Factors</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Bases d'appareil de prothèse dentaire</term><term>Chimie physique</term><term>Conception d'appareil de prothèse dentaire</term><term>Facteurs temps</term><term>Humains</term><term>Lumière</term><term>Maxillaire</term><term>Modèles dentaires</term><term>Palais</term><term>Phénomènes chimiques</term><term>Polymères</term><term>Propriétés de surface</term><term>Résines acryliques</term><term>Résines composites</term><term>Technique de coulée dentaire</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Record bases fabricated from resin-based composite, which undergoes polymerization shrinkage during curing, can distort during curing to produce significant gaps along the posterior border.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">9576313</PMID><DateCompleted><Year>1998</Year><Month>06</Month><Day>29</Day></DateCompleted><DateRevised><Year>2016</Year><Month>11</Month><Day>24</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0022-3913</ISSN><JournalIssue CitedMedium="Print"><Volume>79</Volume><Issue>4</Issue><PubDate><Year>1998</Year><Month>Apr</Month></PubDate></JournalIssue><Title>The Journal of prosthetic dentistry</Title><ISOAbbreviation>J Prosthet Dent</ISOAbbreviation></Journal><ArticleTitle>Dimensional stability of record bases fabricated from light-polymerized composite using two methods.</ArticleTitle><Pagination><MedlinePgn>399-403</MedlinePgn></Pagination><Abstract><AbstractText Label="STATEMENT OF PROBLEM" NlmCategory="BACKGROUND">Record bases fabricated from resin-based composite, which undergoes polymerization shrinkage during curing, can distort during curing to produce significant gaps along the posterior border.</AbstractText><AbstractText Label="PURPOSE" NlmCategory="OBJECTIVE">This study evaluated the pattern of gap formation that occurs over the palatal area of a maxillary record base fabricated from light-cured composite (Triad), and determined whether changes in the fabrication method affects the size and pattern of gap formation. Effects of composite width and passage of time on gap formation were also analyzed.</AbstractText><AbstractText Label="MATERIAL AND METHODS" NlmCategory="METHODS">Twenty record bases were fabricated with two methods: (1) according to the manufacturer's directions, the entire surface of the record base was exposed to the curing light; and (2) the palatal area of the record base was covered with foil to prevent light penetration, and the base was light cured in three stages with readaptation of the uncured composite between stages. Ten record bases from each group were tested 1 hour after fabrication; the remaining 10 from each group were tested 7 days after fabrication. Measurements of adaptation were made at three points representing the right and left ridge crests and midpalatal areas. The first measurement was taken at the posterior border and subsequent measurements were made at 5 mm increments after reduction of the posterior border of the cast and record base with a model trimmer.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">Dimensional changes were observed in both procedures. The largest discrepancy occurred at the posterior border of record bases fabricated using method 1. Mean gap formation at the posterior border in this group after 1 hour was 454, 729, and 334 microm and 483, 841, and 330 microm after 7 days at points A, B, and C, respectively. Record bases fabricated with procedure 2 demonstrated mean gap sizes at the posterior border after 1 hour of 219, 421, and 208 microm and 267, 403, and 192 microm after 7 days at points A, B, and C, respectively. No significant influence of composite width on gap size was found.</AbstractText><AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">The average gap size due to stage curing (method 2) was never greater than the corresponding gap that arose from the use of the manufacturer's recommendations (method 1). Limiting the amount of surface area exposed to the curing light and readapting the uncured composite to the cast between curing episodes can significantly reduce the mean gap size occurring at the posterior border.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Boberick</LastName><ForeName>K G</ForeName><Initials>KG</Initials><AffiliationInfo><Affiliation>Department of Operative Dentistry, Temple University School of Dentistry, Philadelphia, PA 19140, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>McCool</LastName><ForeName>J</ForeName><Initials>J</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Prosthet Dent</MedlineTA><NlmUniqueID>0376364</NlmUniqueID><ISSNLinking>0022-3913</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000180">Acrylic Resins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D003188">Composite Resins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D011108">Polymers</NameOfSubstance></Chemical><Chemical><RegistryNumber>108570-51-0</RegistryNumber><NameOfSubstance UI="C060386">Triad resin</NameOfSubstance></Chemical></ChemicalList><CitationSubset>D</CitationSubset><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000180" MajorTopicYN="N">Acrylic Resins</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D055598" MajorTopicYN="N">Chemical Phenomena</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002627" MajorTopicYN="N">Chemistry, Physical</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003188" MajorTopicYN="Y">Composite Resins</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003735" MajorTopicYN="Y">Dental Casting Technique</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003765" MajorTopicYN="Y">Dental Models</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003819" MajorTopicYN="Y">Denture Bases</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003779" MajorTopicYN="N">Denture Design</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007575" MajorTopicYN="N">Jaw, Edentulous</DescriptorName><QualifierName UI="Q000473" MajorTopicYN="N">pathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008027" MajorTopicYN="N">Light</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008437" MajorTopicYN="N">Maxilla</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010159" MajorTopicYN="N">Palate</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011108" MajorTopicYN="N">Polymers</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013499" MajorTopicYN="N">Surface Properties</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1998</Year><Month>5</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1998</Year><Month>5</Month><Day>12</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1998</Year><Month>5</Month><Day>12</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">9576313</ArticleId><ArticleId IdType="pii">S0022-3913(98)70152-0</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country></list><tree><noCountry><name sortKey="Mccool, J" sort="Mccool, J" uniqKey="Mccool J" first="J" last="Mccool">J. Mccool</name></noCountry><country name="États-Unis"><noRegion><name sortKey="Boberick, K G" sort="Boberick, K G" uniqKey="Boberick K" first="K G" last="Boberick">K G Boberick</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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