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Article: Assessment of clinical preparations for single gold and ceramometal crowns

TitleAssessment of clinical preparations for single gold and ceramometal crowns
Authors
Issue Date2001
PublisherQuintessence Publishing Co, Inc. The Journal's web site is located at http://qi.quintessenz.de/index.php?jid=qi&doc=toc&year=2014&issue=7
Citation
Quintessence International: clinically relevant, scientifically based, 2001, v. 32 n. 8, p. 603-610 How to Cite?
AbstractOBJECTIVE: Single-crown preparations at a dental teaching hospital were compared with guidelines advocated in the dental literature. METHOD AND MATERIALS: Sixty-three single complete gold crown and 151 single ceramometal crown preparations were evaluated. Impression silhouettes were measured for occlusal and axial wall tooth reductions, shoulder widths, internal shoulder angles, and axial wall convergence angles. Marginal designs, the presence of retention grooves and undercuts, and the types of cores present were also recorded. RESULTS: Cuspal reduction was generally inadequate for the ceramometal crowns, and central fossa reduction was insufficient for both complete gold crowns and ceramometal crowns. The facial shoulder widths were also generally underprepared for the ceramometal crowns. Axial wall convergence angles for both complete gold crowns and ceramometal crowns were generally much greater than recommended. Large faciolingual convergence angles for anterior ceramometal crowns were associated with the absence of cingulum walls. Few preparations had retention grooves or undercut areas. CONCLUSION: Although strict guidelines for tooth preparations for complete crowns are available and well known to dentists, the preparations in this study did not always conform to these recommendations.
Persistent Identifierhttp://hdl.handle.net/10722/224435
ISSN
2015 Impact Factor: 0.821
2015 SCImago Journal Rankings: 0.396

 

DC FieldValueLanguage
dc.contributor.authorPoon, BKM-
dc.contributor.authorSmales, RJ-
dc.date.accessioned2016-04-05T04:38:43Z-
dc.date.available2016-04-05T04:38:43Z-
dc.date.issued2001-
dc.identifier.citationQuintessence International: clinically relevant, scientifically based, 2001, v. 32 n. 8, p. 603-610-
dc.identifier.issn0033-6572-
dc.identifier.urihttp://hdl.handle.net/10722/224435-
dc.description.abstractOBJECTIVE: Single-crown preparations at a dental teaching hospital were compared with guidelines advocated in the dental literature. METHOD AND MATERIALS: Sixty-three single complete gold crown and 151 single ceramometal crown preparations were evaluated. Impression silhouettes were measured for occlusal and axial wall tooth reductions, shoulder widths, internal shoulder angles, and axial wall convergence angles. Marginal designs, the presence of retention grooves and undercuts, and the types of cores present were also recorded. RESULTS: Cuspal reduction was generally inadequate for the ceramometal crowns, and central fossa reduction was insufficient for both complete gold crowns and ceramometal crowns. The facial shoulder widths were also generally underprepared for the ceramometal crowns. Axial wall convergence angles for both complete gold crowns and ceramometal crowns were generally much greater than recommended. Large faciolingual convergence angles for anterior ceramometal crowns were associated with the absence of cingulum walls. Few preparations had retention grooves or undercut areas. CONCLUSION: Although strict guidelines for tooth preparations for complete crowns are available and well known to dentists, the preparations in this study did not always conform to these recommendations.-
dc.languageeng-
dc.publisherQuintessence Publishing Co, Inc. The Journal's web site is located at http://qi.quintessenz.de/index.php?jid=qi&doc=toc&year=2014&issue=7-
dc.relation.ispartofQuintessence International: clinically relevant, scientifically based-
dc.titleAssessment of clinical preparations for single gold and ceramometal crowns-
dc.typeArticle-
dc.identifier.pmid11526888-
dc.identifier.hkuros63789-
dc.identifier.volume32-
dc.identifier.issue8-
dc.identifier.spage603-
dc.identifier.epage610-
dc.publisher.placeUnited States-

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