Comparative Evaluation of Marginal Accuracy of a Cast Fixed Partial Denture Compared to Soldered Fixed Partial Denture Made of Two Different Base Metal Alloys and Casting Techniques: An In vitro Study
Identifieur interne : 000049 ( Pmc/Curation ); précédent : 000048; suivant : 000050Comparative Evaluation of Marginal Accuracy of a Cast Fixed Partial Denture Compared to Soldered Fixed Partial Denture Made of Two Different Base Metal Alloys and Casting Techniques: An In vitro Study
Auteurs : J. Brintha Jei [Inde] ; Jayashree Mohan [Inde]Source :
- The Journal of the Indian Prosthodontic Society [ 0972-4052 ] ; 2013.
Abstract
The periodontal health of abutment teeth and the durability of fixed partial denture depends on the marginal adaptation of the prosthesis. Any discrepancy in the marginal area leads to dissolution of luting agent and plaque accumulation. This study was done with the aim of evaluating the accuracy of marginal fit of four unit crown and bridge made up of Ni–Cr and Cr–Co alloys under induction and centrifugal casting. They were compared to cast fixed partial denture (FPD) and soldered FPD. For the purpose of this study a metal model was fabricated. A total of 40 samples (4-unit crown and bridge) were prepared in which 20 Cr–Co samples and 20 Ni–Cr samples were fabricated. Within these 20 samples of each group 10 samples were prepared by induction casting technique and other 10 samples with centrifugal casting technique. The cast FPD samples obtained were seated on the model and the samples were then measured with travelling microscope having precision of 0.001 cm. Sectioning of samples was done between the two pontics and measurements were made, then the soldering was made with torch soldering unit. The marginal discrepancy of soldered samples was measured and all findings were statistically analysed. The results revealed minimal marginal discrepancy with Cr–Co samples when compared to Ni–Cr samples done under induction casting technique. When compared to cast FPD samples, the soldered group showed reduced marginal discrepancy.
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DOI: 10.1007/s13191-013-0286-2
PubMed: 24605006
PubMed Central: 3935047
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Brintha Jei</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Department of Prosthodontics, SRM Dental College, Ramapuram, Chennai, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, SRM Dental College, Ramapuram, Chennai</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="Aff3">L62 I Bharathidasan colony, K.K.Nagar, Chennai, 600078 India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>L62 I Bharathidasan colony, K.K.Nagar, Chennai</wicri:regionArea></affiliation></author><author><name sortKey="Mohan, Jayashree" sort="Mohan, Jayashree" uniqKey="Mohan J" first="Jayashree" last="Mohan">Jayashree Mohan</name><affiliation wicri:level="1"><nlm:aff id="Aff2">Department of Prosthodontics, Vinayaka Mission’s Sankarachariar Dental College, Salem, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Vinayaka Mission’s Sankarachariar Dental College, Salem</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">24605006</idno><idno type="pmc">3935047</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3935047</idno><idno type="RBID">PMC:3935047</idno><idno type="doi">10.1007/s13191-013-0286-2</idno><date when="2013">2013</date><idno type="wicri:Area/Pmc/Corpus">000049</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000049</idno><idno type="wicri:Area/Pmc/Curation">000049</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000049</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Comparative Evaluation of Marginal Accuracy of a Cast Fixed Partial Denture Compared to Soldered Fixed Partial Denture Made of Two Different Base Metal Alloys and Casting Techniques: An In vitro Study</title><author><name sortKey="Jei, J Brintha" sort="Jei, J Brintha" uniqKey="Jei J" first="J. Brintha" last="Jei">J. Brintha Jei</name><affiliation wicri:level="1"><nlm:aff id="Aff1">Department of Prosthodontics, SRM Dental College, Ramapuram, Chennai, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, SRM Dental College, Ramapuram, Chennai</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="Aff3">L62 I Bharathidasan colony, K.K.Nagar, Chennai, 600078 India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>L62 I Bharathidasan colony, K.K.Nagar, Chennai</wicri:regionArea></affiliation></author><author><name sortKey="Mohan, Jayashree" sort="Mohan, Jayashree" uniqKey="Mohan J" first="Jayashree" last="Mohan">Jayashree Mohan</name><affiliation wicri:level="1"><nlm:aff id="Aff2">Department of Prosthodontics, Vinayaka Mission’s Sankarachariar Dental College, Salem, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Vinayaka Mission’s Sankarachariar Dental College, Salem</wicri:regionArea></affiliation></author></analytic><series><title level="j">The Journal of the Indian Prosthodontic Society</title><idno type="ISSN">0972-4052</idno><idno type="eISSN">1998-4057</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>The periodontal health of abutment teeth and the durability of fixed partial denture depends on the marginal adaptation of the prosthesis. Any discrepancy in the marginal area leads to dissolution of luting agent and plaque accumulation. This study was done with the aim of evaluating the accuracy of marginal fit of four unit crown and bridge made up of Ni–Cr and Cr–Co alloys under induction and centrifugal casting. They were compared to cast fixed partial denture (FPD) and soldered FPD. For the purpose of this study a metal model was fabricated. A total of 40 samples (4-unit crown and bridge) were prepared in which 20 Cr–Co samples and 20 Ni–Cr samples were fabricated. Within these 20 samples of each group 10 samples were prepared by induction casting technique and other 10 samples with centrifugal casting technique. The cast FPD samples obtained were seated on the model and the samples were then measured with travelling microscope having precision of 0.001 cm. Sectioning of samples was done between the two pontics and measurements were made, then the soldering was made with torch soldering unit. The marginal discrepancy of soldered samples was measured and all findings were statistically analysed. The results revealed minimal marginal discrepancy with Cr–Co samples when compared to Ni–Cr samples done under induction casting technique. When compared to cast FPD samples, the soldered group showed reduced marginal discrepancy.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">J Indian Prosthodont Soc</journal-id><journal-id journal-id-type="iso-abbrev">J Indian Prosthodont Soc</journal-id><journal-title-group><journal-title>The Journal of the Indian Prosthodontic Society</journal-title></journal-title-group><issn pub-type="ppub">0972-4052</issn><issn pub-type="epub">1998-4057</issn><publisher><publisher-name>Springer India</publisher-name><publisher-loc>India</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">24605006</article-id><article-id pub-id-type="pmc">3935047</article-id><article-id pub-id-type="publisher-id">286</article-id><article-id pub-id-type="doi">10.1007/s13191-013-0286-2</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject></subj-group></article-categories><title-group><article-title>Comparative Evaluation of Marginal Accuracy of a Cast Fixed Partial Denture Compared to Soldered Fixed Partial Denture Made of Two Different Base Metal Alloys and Casting Techniques: An In vitro Study</article-title></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name><surname>Jei</surname><given-names>J. Brintha</given-names></name><address><phone>9486452225</phone><email>brinthajei@yahoo.co.in</email></address><xref ref-type="aff" rid="Aff1"></xref><xref ref-type="aff" rid="Aff3"></xref></contrib><contrib contrib-type="author"><name><surname>Mohan</surname><given-names>Jayashree</given-names></name><xref ref-type="aff" rid="Aff2"></xref></contrib><aff id="Aff1"><label></label>Department of Prosthodontics, SRM Dental College, Ramapuram, Chennai, India</aff><aff id="Aff2"><label></label>Department of Prosthodontics, Vinayaka Mission’s Sankarachariar Dental College, Salem, India</aff><aff id="Aff3"><label></label>L62 I Bharathidasan colony, K.K.Nagar, Chennai, 600078 India</aff></contrib-group><pub-date pub-type="epub"><day>17</day><month>4</month><year>2013</year></pub-date><pub-date pub-type="ppub"><month>3</month><year>2014</year></pub-date><volume>14</volume><issue>1</issue><fpage>104</fpage><lpage>109</lpage><history><date date-type="received"><day>9</day><month>1</month><year>2013</year></date><date date-type="accepted"><day>8</day><month>4</month><year>2013</year></date></history><permissions><copyright-statement>© Indian Prosthodontic Society 2013</copyright-statement></permissions><abstract id="Abs1"><p>The periodontal health of abutment teeth and the durability of fixed partial denture depends on the marginal adaptation of the prosthesis. Any discrepancy in the marginal area leads to dissolution of luting agent and plaque accumulation. This study was done with the aim of evaluating the accuracy of marginal fit of four unit crown and bridge made up of Ni–Cr and Cr–Co alloys under induction and centrifugal casting. They were compared to cast fixed partial denture (FPD) and soldered FPD. For the purpose of this study a metal model was fabricated. A total of 40 samples (4-unit crown and bridge) were prepared in which 20 Cr–Co samples and 20 Ni–Cr samples were fabricated. Within these 20 samples of each group 10 samples were prepared by induction casting technique and other 10 samples with centrifugal casting technique. The cast FPD samples obtained were seated on the model and the samples were then measured with travelling microscope having precision of 0.001 cm. Sectioning of samples was done between the two pontics and measurements were made, then the soldering was made with torch soldering unit. The marginal discrepancy of soldered samples was measured and all findings were statistically analysed. The results revealed minimal marginal discrepancy with Cr–Co samples when compared to Ni–Cr samples done under induction casting technique. When compared to cast FPD samples, the soldered group showed reduced marginal discrepancy.</p></abstract><kwd-group xml:lang="en"><title>Keywords</title><kwd>Marginal accuracy</kwd><kwd>Induction casting</kwd><kwd>Centrifugal casting</kwd><kwd>Soldered fixed partial denture</kwd><kwd>Cast fixed partial denture</kwd><kwd>Chromium–cobalt</kwd><kwd>Nickel–chromium</kwd></kwd-group><custom-meta-group><custom-meta><meta-name>issue-copyright-statement</meta-name><meta-value>© Indian Prosthodontic Society 2014</meta-value></custom-meta></custom-meta-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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