Evaluation of Three Different Processing Techniques in the Fabrication of Complete Dentures
Identifieur interne : 007090 ( Ncbi/Merge ); précédent : 007089; suivant : 007091Evaluation of Three Different Processing Techniques in the Fabrication of Complete Dentures
Auteurs : Vamsi Krishna Chintalacheruvu [Inde] ; Rajasekaran Uttukuli Balraj [Inde] ; Lavanya Sireesha Putchala [Inde] ; Sreelekha Pachalla [Inde]Source :
- Journal of International Society of Preventive & Community Dentistry [ 2231-0762 ] ; 2017.
Abstract
The objective of the present study is to compare the effectiveness of three different processing techniques and to find out the accuracy of processing techniques through number of occlusal interferences and increase in vertical dimension after denture processing.
A cross-sectional study was conducted on a sample of 18 patients indicated for complete denture fabrication was selected for the study and they were divided into three subgroups. Three processing techniques, compression molding and injection molding using prepolymerized resin and unpolymerized resin, were used to fabricate dentures for each of the groups. After processing, laboratory-remounted dentures were evaluated for number of occlusal interferences in centric and eccentric relations and change in vertical dimension through vertical pin rise in articulator. Data were analyzed using statistical test ANOVA and SPSS software version 19.0 by IBM was used.
Data obtained from three groups were subjected to one-way ANOVA test. After ANOVA test, results with significant variations were subjected to
Within the limitations of this study, injection molding techniques exhibited less processing errors as compared to compression molding technique with statistical significance. There was no statistically significant difference in processing errors reported within two injection molding systems.
Url:
DOI: 10.4103/jispcd.JISPCD_102_17
PubMed: 28713763
PubMed Central: 5502547
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<author><name sortKey="Chintalacheruvu, Vamsi Krishna" sort="Chintalacheruvu, Vamsi Krishna" uniqKey="Chintalacheruvu V" first="Vamsi Krishna" last="Chintalacheruvu">Vamsi Krishna Chintalacheruvu</name>
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<country xml:lang="fr">Inde</country>
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<author><name sortKey="Balraj, Rajasekaran Uttukuli" sort="Balraj, Rajasekaran Uttukuli" uniqKey="Balraj R" first="Rajasekaran Uttukuli" last="Balraj">Rajasekaran Uttukuli Balraj</name>
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<author><name sortKey="Putchala, Lavanya Sireesha" sort="Putchala, Lavanya Sireesha" uniqKey="Putchala L" first="Lavanya Sireesha" last="Putchala">Lavanya Sireesha Putchala</name>
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<author><name sortKey="Pachalla, Sreelekha" sort="Pachalla, Sreelekha" uniqKey="Pachalla S" first="Sreelekha" last="Pachalla">Sreelekha Pachalla</name>
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<series><title level="j">Journal of International Society of Preventive & Community Dentistry</title>
<idno type="ISSN">2231-0762</idno>
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<front><div type="abstract" xml:lang="en"><sec id="st1"><title>Aims and Objectives:</title>
<p>The objective of the present study is to compare the effectiveness of three different processing techniques and to find out the accuracy of processing techniques through number of occlusal interferences and increase in vertical dimension after denture processing.</p>
</sec>
<sec id="st2"><title>Materials and Methods:</title>
<p>A cross-sectional study was conducted on a sample of 18 patients indicated for complete denture fabrication was selected for the study and they were divided into three subgroups. Three processing techniques, compression molding and injection molding using prepolymerized resin and unpolymerized resin, were used to fabricate dentures for each of the groups. After processing, laboratory-remounted dentures were evaluated for number of occlusal interferences in centric and eccentric relations and change in vertical dimension through vertical pin rise in articulator. Data were analyzed using statistical test ANOVA and SPSS software version 19.0 by IBM was used.</p>
</sec>
<sec id="st3"><title>Results:</title>
<p>Data obtained from three groups were subjected to one-way ANOVA test. After ANOVA test, results with significant variations were subjected to <italic>post hoc</italic>
test. Number of occlusal interferences with compression molding technique was reported to be more in both centric and eccentric positions as compared to the two injection molding techniques with statistical significance in centric, protrusive, right lateral nonworking, and left lateral working positions (<italic>P</italic>
< 0.05). Mean vertical pin rise (0.52 mm) was reported to more in compression molding technique as compared to injection molding techniques, which is statistically significant (<italic>P</italic>
< 0.001).</p>
</sec>
<sec id="st4"><title>Conclusions:</title>
<p>Within the limitations of this study, injection molding techniques exhibited less processing errors as compared to compression molding technique with statistical significance. There was no statistically significant difference in processing errors reported within two injection molding systems.</p>
</sec>
</div>
</front>
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<pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">J Int Soc Prev Community Dent</journal-id>
<journal-id journal-id-type="iso-abbrev">J Int Soc Prev Community Dent</journal-id>
<journal-id journal-id-type="publisher-id">JISPCD</journal-id>
<journal-title-group><journal-title>Journal of International Society of Preventive & Community Dentistry</journal-title>
</journal-title-group>
<issn pub-type="ppub">2231-0762</issn>
<issn pub-type="epub">2250-1002</issn>
<publisher><publisher-name>Medknow Publications & Media Pvt Ltd</publisher-name>
<publisher-loc>India</publisher-loc>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">28713763</article-id>
<article-id pub-id-type="pmc">5502547</article-id>
<article-id pub-id-type="publisher-id">JISPCD-7-18</article-id>
<article-id pub-id-type="doi">10.4103/jispcd.JISPCD_102_17</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject>
</subj-group>
</article-categories>
<title-group><article-title>Evaluation of Three Different Processing Techniques in the Fabrication of Complete Dentures</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Chintalacheruvu</surname>
<given-names>Vamsi Krishna</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
<xref ref-type="corresp" rid="cor1"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Balraj</surname>
<given-names>Rajasekaran Uttukuli</given-names>
</name>
<xref ref-type="aff" rid="aff2">2</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Putchala</surname>
<given-names>Lavanya Sireesha</given-names>
</name>
<xref ref-type="aff" rid="aff3">3</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Pachalla</surname>
<given-names>Sreelekha</given-names>
</name>
<xref ref-type="aff" rid="aff4">4</xref>
</contrib>
</contrib-group>
<aff id="aff1"><label>1</label>
Department of Prosthodontics, Care Dental College, Guntur, Andra Pradesh, India</aff>
<aff id="aff2"><label>2</label>
Department of Orthodontics, Sibar Institute of Dental Sciences, Guntur, Andra Pradesh, India</aff>
<aff id="aff3"><label>3</label>
General Dentist, Sri Krishna Dental Clinic, Vijayanagaram, Andra Pradesh, India</aff>
<aff id="aff4"><label>4</label>
General Dentist, Ajantha Dental Care, Guntur, Andra Pradesh, India</aff>
<author-notes><corresp id="cor1"><bold><italic>Address for correspondence: </italic>
</bold>
Dr. Vamsi Krishna Chintalacheruvu, Department of Prosthodontics, Care Dental College, Guntur, Andhra Pradesh, India. E-mail: <email xlink:href="chvk_guntur@yahoo.co.in">chvk_guntur@yahoo.co.in</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub"><month>6</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub"><day>20</day>
<month>6</month>
<year>2017</year>
</pub-date>
<volume>7</volume>
<issue>Suppl 1</issue>
<fpage>S18</fpage>
<lpage>S23</lpage>
<history><date date-type="received"><day>17</day>
<month>3</month>
<year>2017</year>
</date>
<date date-type="accepted"><day>05</day>
<month>5</month>
<year>2017</year>
</date>
</history>
<permissions><copyright-statement>Copyright: © 2017 Journal of International Society of Preventive and Community Dentistry</copyright-statement>
<copyright-year>2017</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-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.</license-p>
</license>
</permissions>
<abstract><sec id="st1"><title>Aims and Objectives:</title>
<p>The objective of the present study is to compare the effectiveness of three different processing techniques and to find out the accuracy of processing techniques through number of occlusal interferences and increase in vertical dimension after denture processing.</p>
</sec>
<sec id="st2"><title>Materials and Methods:</title>
<p>A cross-sectional study was conducted on a sample of 18 patients indicated for complete denture fabrication was selected for the study and they were divided into three subgroups. Three processing techniques, compression molding and injection molding using prepolymerized resin and unpolymerized resin, were used to fabricate dentures for each of the groups. After processing, laboratory-remounted dentures were evaluated for number of occlusal interferences in centric and eccentric relations and change in vertical dimension through vertical pin rise in articulator. Data were analyzed using statistical test ANOVA and SPSS software version 19.0 by IBM was used.</p>
</sec>
<sec id="st3"><title>Results:</title>
<p>Data obtained from three groups were subjected to one-way ANOVA test. After ANOVA test, results with significant variations were subjected to <italic>post hoc</italic>
test. Number of occlusal interferences with compression molding technique was reported to be more in both centric and eccentric positions as compared to the two injection molding techniques with statistical significance in centric, protrusive, right lateral nonworking, and left lateral working positions (<italic>P</italic>
< 0.05). Mean vertical pin rise (0.52 mm) was reported to more in compression molding technique as compared to injection molding techniques, which is statistically significant (<italic>P</italic>
< 0.001).</p>
</sec>
<sec id="st4"><title>Conclusions:</title>
<p>Within the limitations of this study, injection molding techniques exhibited less processing errors as compared to compression molding technique with statistical significance. There was no statistically significant difference in processing errors reported within two injection molding systems.</p>
</sec>
</abstract>
<kwd-group><title>K<sc>EYWORDS</sc>
</title>
<kwd><italic>Compression molding</italic>
</kwd>
<kwd><italic>denture processing</italic>
</kwd>
<kwd><italic>injection molding</italic>
</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
<affiliations><list><country><li>Inde</li>
</country>
</list>
<tree><country name="Inde"><noRegion><name sortKey="Chintalacheruvu, Vamsi Krishna" sort="Chintalacheruvu, Vamsi Krishna" uniqKey="Chintalacheruvu V" first="Vamsi Krishna" last="Chintalacheruvu">Vamsi Krishna Chintalacheruvu</name>
</noRegion>
<name sortKey="Balraj, Rajasekaran Uttukuli" sort="Balraj, Rajasekaran Uttukuli" uniqKey="Balraj R" first="Rajasekaran Uttukuli" last="Balraj">Rajasekaran Uttukuli Balraj</name>
<name sortKey="Pachalla, Sreelekha" sort="Pachalla, Sreelekha" uniqKey="Pachalla S" first="Sreelekha" last="Pachalla">Sreelekha Pachalla</name>
<name sortKey="Putchala, Lavanya Sireesha" sort="Putchala, Lavanya Sireesha" uniqKey="Putchala L" first="Lavanya Sireesha" last="Putchala">Lavanya Sireesha Putchala</name>
</country>
</tree>
</affiliations>
</record>
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