Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins
Identifieur interne : 003997 ( Ncbi/Merge ); précédent : 003996; suivant : 003998Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins
Auteurs : Saryu Arora ; S. K. Khindaria ; Sushant Garg ; Sanjay MittalSource :
- Contemporary Clinical Dentistry [ 0976-237X ] ; 2011.
Abstract
Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship.
The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands.
Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ‘
The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %.
Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. Among the four different brands of heat cure acrylic resin Group D (Vertex) had the least linear dimensional changes after curing and after finishing and polishing, so that D (Vertex) could be the material of choice for fabrication of complete denture among the four brands.
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DOI: 10.4103/0976-237X.86452
PubMed: 22090761
PubMed Central: 3214524
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins</title><author><name sortKey="Arora, Saryu" sort="Arora, Saryu" uniqKey="Arora S" first="Saryu" last="Arora">Saryu Arora</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Khindaria, S K" sort="Khindaria, S K" uniqKey="Khindaria S" first="S. K." last="Khindaria">S. K. Khindaria</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Garg, Sushant" sort="Garg, Sushant" uniqKey="Garg S" first="Sushant" last="Garg">Sushant Garg</name><affiliation><nlm:aff id="aff2"><italic>Department of Prosthodontics, M. M. College of Dental Sciences and Research, Mullana, Ambala, India</italic></nlm:aff></affiliation></author><author><name sortKey="Mittal, Sanjay" sort="Mittal, Sanjay" uniqKey="Mittal S" first="Sanjay" last="Mittal">Sanjay Mittal</name><affiliation><nlm:aff id="aff2"><italic>Department of Prosthodontics, M. M. College of Dental Sciences and Research, Mullana, Ambala, India</italic></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">22090761</idno><idno type="pmc">3214524</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3214524</idno><idno type="RBID">PMC:3214524</idno><idno type="doi">10.4103/0976-237X.86452</idno><date when="2011">2011</date><idno type="wicri:Area/Pmc/Corpus">002B52</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002B52</idno><idno type="wicri:Area/Pmc/Curation">002B52</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">002B52</idno><idno type="wicri:Area/Pmc/Checkpoint">002221</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">002221</idno><idno type="wicri:Area/Ncbi/Merge">003997</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins</title><author><name sortKey="Arora, Saryu" sort="Arora, Saryu" uniqKey="Arora S" first="Saryu" last="Arora">Saryu Arora</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Khindaria, S K" sort="Khindaria, S K" uniqKey="Khindaria S" first="S. K." last="Khindaria">S. K. Khindaria</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Garg, Sushant" sort="Garg, Sushant" uniqKey="Garg S" first="Sushant" last="Garg">Sushant Garg</name><affiliation><nlm:aff id="aff2"><italic>Department of Prosthodontics, M. M. College of Dental Sciences and Research, Mullana, Ambala, India</italic></nlm:aff></affiliation></author><author><name sortKey="Mittal, Sanjay" sort="Mittal, Sanjay" uniqKey="Mittal S" first="Sanjay" last="Mittal">Sanjay Mittal</name><affiliation><nlm:aff id="aff2"><italic>Department of Prosthodontics, M. M. College of Dental Sciences and Research, Mullana, Ambala, India</italic></nlm:aff></affiliation></author></analytic><series><title level="j">Contemporary Clinical Dentistry</title><idno type="ISSN">0976-237X</idno><idno type="eISSN">0976-2361</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec id="st1"><title>Context:</title><p>Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship.</p></sec><sec id="st2"><title>Aims:</title><p>The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands.</p></sec><sec id="st3"><title>Materials and Methods:</title><p>Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ‘<italic>t</italic>’ test at 95% level of confidence (<italic>P</italic>=0.05).</p></sec><sec id="st4"><title>Results:</title><p>The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %.</p></sec><sec id="st5"><title>Conclusions:</title><p>Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. Among the four different brands of heat cure acrylic resin Group D (Vertex) had the least linear dimensional changes after curing and after finishing and polishing, so that D (Vertex) could be the material of choice for fabrication of complete denture among the four brands.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Woelfel, Jb" uniqKey="Woelfel J">JB Woelfel</name></author><author><name sortKey="Paffenbarger, Gc" uniqKey="Paffenbarger G">GC Paffenbarger</name></author><author><name sortKey="Sweeney, Wt" uniqKey="Sweeney W">WT Sweeney</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Becker, Cm" uniqKey="Becker C">CM Becker</name></author><author><name sortKey="Smith, De" uniqKey="Smith D">DE Smith</name></author><author><name sortKey="Nicholls, Ji" uniqKey="Nicholls J">JI Nicholls</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Dixon, Dl" uniqKey="Dixon D">DL Dixon</name></author><author><name sortKey="Breeding, Lc" uniqKey="Breeding L">LC Breeding</name></author><author><name sortKey="Ekstrand, Kg" uniqKey="Ekstrand K">KG Ekstrand</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Stafford, Gd" uniqKey="Stafford G">GD Stafford</name></author><author><name sortKey="Bates, Jf" uniqKey="Bates J">JF Bates</name></author><author><name sortKey="Huggett, R" uniqKey="Huggett R">R Huggett</name></author><author><name sortKey="Handley, Rw" uniqKey="Handley R">RW Handley</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Woelfel, Jb" uniqKey="Woelfel J">JB Woelfel</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Anthony, Dh" uniqKey="Anthony D">DH Anthony</name></author><author><name sortKey="Peyton, Fa" uniqKey="Peyton F">FA Peyton</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Komiyama, O" uniqKey="Komiyama O">O Komiyama</name></author><author><name sortKey="Kawara, M" uniqKey="Kawara M">M Kawara</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Zissis, A" uniqKey="Zissis A">A Zissis</name></author><author><name sortKey="Huggett, R" uniqKey="Huggett R">R Huggett</name></author><author><name sortKey="Harrison, A" uniqKey="Harrison A">A Harrison</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Anusavice, Kj" uniqKey="Anusavice K">KJ Anusavice</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Noort, R" uniqKey="Noort R">R Noort</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Shipee, Rw" uniqKey="Shipee R">RW Shipee</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kinner, Ew" uniqKey="Kinner E">EW Kinner</name></author><author><name sortKey="Cooper, En" uniqKey="Cooper E">EN Cooper</name></author></analytic></biblStruct></listBibl></div1></back></TEI><pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Contemp Clin Dent</journal-id><journal-id journal-id-type="publisher-id">CCD</journal-id><journal-title-group><journal-title>Contemporary Clinical Dentistry</journal-title></journal-title-group><issn pub-type="ppub">0976-237X</issn><issn pub-type="epub">0976-2361</issn><publisher><publisher-name>Medknow Publications Pvt Ltd</publisher-name><publisher-loc>India</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">22090761</article-id><article-id pub-id-type="pmc">3214524</article-id><article-id pub-id-type="publisher-id">CCD-2-182</article-id><article-id pub-id-type="doi">10.4103/0976-237X.86452</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 linear dimensional changes of four commercially available heat cure acrylic resins</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Arora</surname><given-names>Saryu</given-names></name><xref ref-type="aff" rid="aff1"></xref><xref ref-type="corresp" rid="cor1"></xref></contrib><contrib contrib-type="author"><name><surname>Khindaria</surname><given-names>S. K.</given-names></name><xref ref-type="aff" rid="aff1"></xref></contrib><contrib contrib-type="author"><name><surname>Garg</surname><given-names>Sushant</given-names></name><xref ref-type="aff" rid="aff2">1</xref></contrib><contrib contrib-type="author"><name><surname>Mittal</surname><given-names>Sanjay</given-names></name><xref ref-type="aff" rid="aff2">1</xref></contrib></contrib-group><aff id="aff1"><italic>Department of Prosthodontics, Swami Devi DyalHospital and Dental College 40, Barwala Panchkula, India</italic></aff><aff id="aff2"><label>1</label><italic>Department of Prosthodontics, M. M. College of Dental Sciences and Research, Mullana, Ambala, India</italic></aff><author-notes><corresp id="cor1"><bold>Correspondence:</bold> Dr. Saryu Arora, H.No. 1152, Sector 7, Panchkulla, India. E-mail: <email xlink:href="saryuarora@gmail.com">saryuarora@gmail.com</email></corresp></author-notes><pub-date pub-type="ppub"><season>Jul-Sep</season><year>2011</year></pub-date><volume>2</volume><issue>3</issue><fpage>182</fpage><lpage>187</lpage><permissions><copyright-statement>Copyright: © Contemporary Clinical Dentistry</copyright-statement><copyright-year>2011</copyright-year><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc-sa/3.0"><license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p></license></permissions><abstract><sec id="st1"><title>Context:</title><p>Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship.</p></sec><sec id="st2"><title>Aims:</title><p>The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands.</p></sec><sec id="st3"><title>Materials and Methods:</title><p>Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ‘<italic>t</italic>’ test at 95% level of confidence (<italic>P</italic>=0.05).</p></sec><sec id="st4"><title>Results:</title><p>The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %.</p></sec><sec id="st5"><title>Conclusions:</title><p>Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. Among the four different brands of heat cure acrylic resin Group D (Vertex) had the least linear dimensional changes after curing and after finishing and polishing, so that D (Vertex) could be the material of choice for fabrication of complete denture among the four brands.</p></sec></abstract><kwd-group><kwd>Heat cure acrylic resin</kwd><kwd>dimensional changes</kwd><kwd>complete denture</kwd></kwd-group></article-meta></front></pmc><affiliations><list></list><tree><noCountry><name sortKey="Arora, Saryu" sort="Arora, Saryu" uniqKey="Arora S" first="Saryu" last="Arora">Saryu Arora</name><name sortKey="Garg, Sushant" sort="Garg, Sushant" uniqKey="Garg S" first="Sushant" last="Garg">Sushant Garg</name><name sortKey="Khindaria, S K" sort="Khindaria, S K" uniqKey="Khindaria S" first="S. K." last="Khindaria">S. K. Khindaria</name><name sortKey="Mittal, Sanjay" sort="Mittal, Sanjay" uniqKey="Mittal S" first="Sanjay" last="Mittal">Sanjay Mittal</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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