Effect of Different Denture Base Materials and Changed Mouth Temperature on Dimensional Stability of Complete Dentures
Identifieur interne : 000744 ( Pmc/Checkpoint ); précédent : 000743; suivant : 000745Effect of Different Denture Base Materials and Changed Mouth Temperature on Dimensional Stability of Complete Dentures
Auteurs : Khalid A. O. Arafa [Arabie saoudite]Source :
- International Journal of Dentistry [ 1687-8728 ] ; 2016.
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DOI: 10.1155/2016/7085063
PubMed: 27143970
PubMed Central: 4838795
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effect of Different Denture Base Materials and Changed Mouth Temperature on Dimensional Stability of Complete Dentures</title><author><name sortKey="Arafa, Khalid A O" sort="Arafa, Khalid A O" uniqKey="Arafa K" first="Khalid A. O." last="Arafa">Khalid A. O. Arafa</name><affiliation wicri:level="1"><nlm:aff id="I1">Dental Health Department, Faculty of Applied Medical Sciences, Al Baha University, P.O. Box 7273, Unit No. 2, Al Baha 65536-3047, Saudi Arabia</nlm:aff><country xml:lang="fr">Arabie saoudite</country><wicri:regionArea>Dental Health Department, Faculty of Applied Medical Sciences, Al Baha University, P.O. Box 7273, Unit No. 2, Al Baha 65536-3047</wicri:regionArea><wicri:noRegion>Al Baha 65536-3047</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">27143970</idno><idno type="pmc">4838795</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4838795</idno><idno type="RBID">PMC:4838795</idno><idno type="doi">10.1155/2016/7085063</idno><date when="2016">2016</date><idno type="wicri:Area/Pmc/Corpus">002E01</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002E01</idno><idno type="wicri:Area/Pmc/Curation">002E01</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">002E01</idno><idno type="wicri:Area/Pmc/Checkpoint">000744</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000744</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Effect of Different Denture Base Materials and Changed Mouth Temperature on Dimensional Stability of Complete Dentures</title><author><name sortKey="Arafa, Khalid A O" sort="Arafa, Khalid A O" uniqKey="Arafa K" first="Khalid A. O." last="Arafa">Khalid A. O. Arafa</name><affiliation wicri:level="1"><nlm:aff id="I1">Dental Health Department, Faculty of Applied Medical Sciences, Al Baha University, P.O. Box 7273, Unit No. 2, Al Baha 65536-3047, Saudi Arabia</nlm:aff><country xml:lang="fr">Arabie saoudite</country><wicri:regionArea>Dental Health Department, Faculty of Applied Medical Sciences, Al Baha University, P.O. Box 7273, Unit No. 2, Al Baha 65536-3047</wicri:regionArea><wicri:noRegion>Al Baha 65536-3047</wicri:noRegion></affiliation></author></analytic><series><title level="j">International Journal of Dentistry</title><idno type="ISSN">1687-8728</idno><idno type="eISSN">1687-8736</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><italic>Background</italic>. Type of materials used in fabrication of denture base has an effect on dimension during denture base material processing and other factors related to clinical use.<italic> Objective</italic>. The study aims were to assess the dimensional stability including thermal changes of three different denture base materials.<italic> Methods</italic>. Ninety patients were selected to construct complete dentures with different denture base materials. They were randomly divided into three groups: group 1, patients with cobalt chrome metallic base; group 2, patients with heat curing acrylic resin fabricated by injection moulding technique; and group 3, patients with denture bases fabricated by conventional heat curing acrylic resin. The dimensional changes were assessed using digital caliper.<italic> Results</italic>. After the twelfth month, injection moulding acrylic resin had significantly the highest dimensional change followed by the conventional heat curing acrylic resin. There were no significant differences in the dimensions between the three types of denture base materials at normal mouth temperature, while, after hot tea drinking at 45°C, the dimensional change was significantly the highest in cobalt chrome metallic denture base group.<italic> Conclusion</italic>. Cobalt chrome metallic denture base has stable dimension compared to denture bases fabricated of acrylic resin but it was more affected by altered mouth temperature. The study was registered in the International Standard Randomized Controlled Trials Number (<ext-link ext-link-type="uri" xlink:href="http://www.isrctn.com/">ISRCTN</ext-link>) registry with study ID (<ext-link ext-link-type="uri" xlink:href="http://www.isrctn.com/ISRCTN94238244?q=&filters=recruitmentCountry:Egypt&sort=&offset=1&totalResults=45&page=1&pageSize=20&searchType=basic-search">ISRCTN94238244</ext-link>).</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Mardan, N A" uniqKey="Mardan N">N. A. Mardan</name></author><author><name sortKey="Preoteasa, C T" uniqKey="Preoteasa C">C. T. Preoteasa</name></author><author><name sortKey="Imre, M" uniqKey="Imre M">M. Imre</name></author><author><name sortKey="Tancu, A M" uniqKey="Tancu A">A. M. Tancu</name></author><author><name sortKey="Preoteasa, E" uniqKey="Preoteasa E">E. Preoteasa</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Duymus, Z Y" uniqKey="Duymus Z">Z. Y. Duymus</name></author><author><name sortKey="Yanikoglu, N D" uniqKey="Yanikoglu N">N. D. Yanikoglu</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Negreiros, W A" uniqKey="Negreiros W">W. A. Negreiros</name></author><author><name sortKey="Consani, R L" uniqKey="Consani R">R. L. Consani</name></author><author><name sortKey="Mesquita, M F" uniqKey="Mesquita M">M. F. Mesquita</name></author><author><name sortKey="Sinhoreti, M A" uniqKey="Sinhoreti M">M. A. Sinhoreti</name></author><author><name sortKey="Faria, I R" uniqKey="Faria I">I. R. Faria</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Lee, C J" uniqKey="Lee C">C.-J. Lee</name></author><author><name sortKey="Bok, S B" uniqKey="Bok S">S.-B. Bok</name></author><author><name sortKey="Bae, J Y" uniqKey="Bae J">J.-Y. 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Jandt</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Fenlon, M R" uniqKey="Fenlon M">M. R. Fenlon</name></author><author><name sortKey="Juszczyk, A S" uniqKey="Juszczyk A">A. S. Juszczyk</name></author><author><name sortKey="Rodriguez, J M" uniqKey="Rodriguez J">J. M. Rodriguez</name></author><author><name sortKey="Curtis, R V" uniqKey="Curtis R">R. V. Curtis</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="Geerts, G A V M" uniqKey="Geerts G">G. A. V. M. Geerts</name></author><author><name sortKey="Stuhlinger, M E" uniqKey="Stuhlinger M">M. E. Stuhlinger</name></author><author><name sortKey="Nel, D G" uniqKey="Nel D">D. G. Nel</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kim, M J" uniqKey="Kim M">M.-J. Kim</name></author><author><name sortKey="Kim, C W" uniqKey="Kim C">C.-W. Kim</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Keenan, P L J" uniqKey="Keenan P">P. L. J. Keenan</name></author><author><name sortKey="Radford, D R" uniqKey="Radford D">D. R. Radford</name></author><author><name sortKey="Clark, R K F" uniqKey="Clark R">R. K. F. Clark</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Cal, N E" uniqKey="Cal N">N. E. Çal</name></author><author><name sortKey="Hersek, N" uniqKey="Hersek N">N. Hersek</name></author><author><name sortKey=" Ahin, E" uniqKey=" Ahin E">E. Şahin</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Young, B C" uniqKey="Young B">B. C. 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<front><journal-meta><journal-id journal-id-type="nlm-ta">Int J Dent</journal-id><journal-id journal-id-type="iso-abbrev">Int J Dent</journal-id><journal-id journal-id-type="publisher-id">IJD</journal-id><journal-title-group><journal-title>International Journal of Dentistry</journal-title></journal-title-group><issn pub-type="ppub">1687-8728</issn><issn pub-type="epub">1687-8736</issn><publisher><publisher-name>Hindawi Publishing Corporation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">27143970</article-id><article-id pub-id-type="pmc">4838795</article-id><article-id pub-id-type="doi">10.1155/2016/7085063</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title>Effect of Different Denture Base Materials and Changed Mouth Temperature on Dimensional Stability of Complete Dentures</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Arafa</surname><given-names>Khalid A. O.</given-names></name><xref ref-type="aff" rid="I1"></xref><xref ref-type="corresp" rid="cor1"><sup>*</sup></xref></contrib></contrib-group><aff id="I1">Dental Health Department, Faculty of Applied Medical Sciences, Al Baha University, P.O. Box 7273, Unit No. 2, Al Baha 65536-3047, Saudi Arabia</aff><author-notes><corresp id="cor1">*Khalid A. O. Arafa: <email>drkhalidarafa@yahoo.com</email></corresp><fn fn-type="other"><p>Academic Editor: Ali I. Abdalla</p></fn></author-notes><pub-date pub-type="ppub"><year>2016</year></pub-date><pub-date pub-type="epub"><day>7</day><month>4</month><year>2016</year></pub-date><volume>2016</volume><elocation-id>7085063</elocation-id><history><date date-type="received"><day>30</day><month>12</month><year>2015</year></date><date date-type="accepted"><day>23</day><month>3</month><year>2016</year></date></history><permissions><copyright-statement>Copyright © 2016 Khalid A. O. Arafa.</copyright-statement><copyright-year>2016</copyright-year><license xlink:href="https://creativecommons.org/licenses/by/4.0/"><license-p>This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p></license></permissions><abstract><p><italic>Background</italic>. Type of materials used in fabrication of denture base has an effect on dimension during denture base material processing and other factors related to clinical use.<italic> Objective</italic>. The study aims were to assess the dimensional stability including thermal changes of three different denture base materials.<italic> Methods</italic>. Ninety patients were selected to construct complete dentures with different denture base materials. They were randomly divided into three groups: group 1, patients with cobalt chrome metallic base; group 2, patients with heat curing acrylic resin fabricated by injection moulding technique; and group 3, patients with denture bases fabricated by conventional heat curing acrylic resin. The dimensional changes were assessed using digital caliper.<italic> Results</italic>. After the twelfth month, injection moulding acrylic resin had significantly the highest dimensional change followed by the conventional heat curing acrylic resin. There were no significant differences in the dimensions between the three types of denture base materials at normal mouth temperature, while, after hot tea drinking at 45°C, the dimensional change was significantly the highest in cobalt chrome metallic denture base group.<italic> Conclusion</italic>. Cobalt chrome metallic denture base has stable dimension compared to denture bases fabricated of acrylic resin but it was more affected by altered mouth temperature. The study was registered in the International Standard Randomized Controlled Trials Number (<ext-link ext-link-type="uri" xlink:href="http://www.isrctn.com/">ISRCTN</ext-link>) registry with study ID (<ext-link ext-link-type="uri" xlink:href="http://www.isrctn.com/ISRCTN94238244?q=&filters=recruitmentCountry:Egypt&sort=&offset=1&totalResults=45&page=1&pageSize=20&searchType=basic-search">ISRCTN94238244</ext-link>).</p></abstract></article-meta></front><floats-group><fig id="fig1" orientation="portrait" position="float"><label>Figure 1</label><caption><p>The picture demonstrated points A and B on the fitting surface of dentures.</p></caption><graphic xlink:href="IJD2016-7085063.001"></graphic></fig><table-wrap id="tab1" orientation="portrait" position="float"><label>Table 1</label><caption><p>Demographic characteristics of the patients that took part in the study.</p></caption><table frame="hsides" rules="groups"><thead><tr><th align="left" rowspan="2" colspan="1">Variable</th><th align="center" colspan="3" rowspan="1">Types of material</th><th align="center" rowspan="2" colspan="1"><italic>p</italic> value</th></tr><tr><th align="center" rowspan="1" colspan="1">Acrylic resin fabricated by conventional technique <break></break>Number (%)</th><th align="center" rowspan="1" colspan="1">Acrylic resin fabricated by injection moulding technique <break></break>Number (%)</th><th align="center" rowspan="1" colspan="1">Chrome cobalt metallic <break></break>Number (%)</th></tr></thead><tbody><tr><td align="left" rowspan="1" colspan="1">Gender</td><td align="center" rowspan="1" colspan="1"> </td><td align="center" rowspan="1" colspan="1"> </td><td align="center" rowspan="1" colspan="1"> </td><td align="center" rowspan="1" colspan="1"> </td></tr><tr><td align="left" rowspan="1" colspan="1"> Male</td><td align="center" rowspan="1" colspan="1">16 (53%)</td><td align="center" rowspan="1" colspan="1">15 (50%)</td><td align="center" rowspan="1" colspan="1">17 (57%)</td><td align="center" rowspan="2" colspan="1">0.31</td></tr><tr><td align="left" rowspan="1" colspan="1"> Female</td><td align="center" rowspan="1" colspan="1">14 (47%)</td><td align="center" rowspan="1" colspan="1">15 (50%)</td><td align="center" rowspan="1" colspan="1">13 (43%)</td></tr><tr><td align="left" rowspan="1" colspan="1">Age <bold> (</bold>mean ± SD)</td><td align="center" rowspan="1" colspan="1">61 ± 3 years</td><td align="center" rowspan="1" colspan="1">60 ± 2 years</td><td align="center" rowspan="1" colspan="1">60 ± 2 years</td><td align="center" rowspan="1" colspan="1">0.43</td></tr></tbody></table></table-wrap><table-wrap id="tab2" orientation="portrait" position="float"><label>Table 2</label><caption><p>The dimensional changes (mean and standard deviation) of the three denture base materials over time.</p></caption><table frame="hsides" rules="groups"><thead><tr><th align="left" rowspan="3" colspan="1">Base material</th><th align="center" colspan="6" rowspan="1">Time</th></tr><tr><th align="center" colspan="2" rowspan="1">After 4 months</th><th align="center" colspan="2" rowspan="1">After 8 months</th><th align="center" colspan="2" rowspan="1">After 12 months</th></tr><tr><th align="center" rowspan="1" colspan="1">Mean</th><th align="center" rowspan="1" colspan="1">SD</th><th align="center" rowspan="1" colspan="1">Mean</th><th align="center" rowspan="1" colspan="1">SD</th><th align="center" rowspan="1" colspan="1">Mean</th><th align="center" rowspan="1" colspan="1">SD</th></tr></thead><tbody><tr><td align="left" rowspan="1" colspan="1">Acrylic resin fabricated by conventional technique</td><td align="center" rowspan="1" colspan="1">1.52</td><td align="center" rowspan="1" colspan="1">0.014</td><td align="center" rowspan="1" colspan="1">1.56</td><td align="center" rowspan="1" colspan="1">0.018</td><td align="center" rowspan="1" colspan="1">1.59<sup><italic>∗</italic></sup></td><td align="center" rowspan="1" colspan="1">0.02</td></tr><tr><td align="left" rowspan="1" colspan="1">Acrylic resin fabricated by injection moulding technique </td><td align="center" rowspan="1" colspan="1">1.58<sup><italic>∗</italic></sup></td><td align="center" rowspan="1" colspan="1">0.019</td><td align="center" rowspan="1" colspan="1">1.6<sup><italic>∗</italic></sup></td><td align="center" rowspan="1" colspan="1">0.022</td><td align="center" rowspan="1" colspan="1">1.63<sup><italic>∗</italic></sup></td><td align="center" rowspan="1" colspan="1">0.027</td></tr><tr><td align="left" rowspan="1" colspan="1">Cobalt chrome metallic </td><td align="center" rowspan="1" colspan="1">1.5</td><td align="center" rowspan="1" colspan="1">0.01</td><td align="center" rowspan="1" colspan="1">1.5</td><td align="center" rowspan="1" colspan="1">0.01</td><td align="center" rowspan="1" colspan="1">1.5</td><td align="center" rowspan="1" colspan="1">0.01</td></tr></tbody></table><table-wrap-foot><fn><p><sup><italic>∗</italic></sup>Statistically significant.</p></fn></table-wrap-foot></table-wrap><table-wrap id="tab3" orientation="portrait" position="float"><label>Table 3</label><caption><p>The dimensional changes of the three denture base materials by temperature changes (after one month of denture insertion).</p></caption><table frame="hsides" rules="groups"><thead><tr><th align="left" rowspan="3" colspan="1">Base material</th><th align="center" colspan="6" rowspan="1">Temperature</th></tr><tr><th align="center" colspan="2" rowspan="1">Normal mouth temperature</th><th align="center" colspan="2" rowspan="1">Hot tea at 45°C</th><th align="center" colspan="2" rowspan="1">Cold drink at 5°C</th></tr><tr><th align="center" rowspan="1" colspan="1">Mean</th><th align="center" rowspan="1" colspan="1">SD</th><th align="center" rowspan="1" colspan="1">Mean</th><th align="center" rowspan="1" colspan="1">SD</th><th align="center" rowspan="1" colspan="1">Mean</th><th align="center" rowspan="1" colspan="1">SD</th></tr></thead><tbody><tr><td align="left" rowspan="1" colspan="1">Acrylic resin fabricated by conventional technique</td><td align="center" rowspan="1" colspan="1">1.5</td><td align="center" rowspan="1" colspan="1">0.01</td><td align="center" rowspan="1" colspan="1">1.5</td><td align="center" rowspan="1" colspan="1">0.01</td><td align="center" rowspan="1" colspan="1">1.5</td><td align="center" rowspan="1" colspan="1">0.01</td></tr><tr><td align="left" rowspan="1" colspan="1">Acrylic resin fabricated by injection moulding technique </td><td align="center" rowspan="1" colspan="1">1.5</td><td align="center" rowspan="1" colspan="1">0.01</td><td align="center" rowspan="1" colspan="1">1.5</td><td align="center" rowspan="1" colspan="1">0.01</td><td align="center" rowspan="1" colspan="1">1.48</td><td align="center" rowspan="1" colspan="1">0.009</td></tr><tr><td align="left" rowspan="1" colspan="1">Cobalt chrome metallic </td><td align="center" rowspan="1" colspan="1">1.5</td><td align="center" rowspan="1" colspan="1">0.01</td><td align="center" rowspan="1" colspan="1">1.6<sup><italic>∗</italic></sup></td><td align="center" rowspan="1" colspan="1">0.019</td><td align="center" rowspan="1" colspan="1">1.43<sup><italic>∗</italic></sup></td><td align="center" rowspan="1" colspan="1">0.004</td></tr></tbody></table><table-wrap-foot><fn><p><sup><italic>∗</italic></sup>Statistically significant.</p></fn></table-wrap-foot></table-wrap></floats-group></pmc><affiliations><list><country><li>Arabie saoudite</li></country></list><tree><country name="Arabie saoudite"><noRegion><name sortKey="Arafa, Khalid A O" sort="Arafa, Khalid A O" uniqKey="Arafa K" first="Khalid A. 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