Retention of denture bases fabricated by three different processing techniques – An in vivo study
Identifieur interne : 000542 ( Main/Exploration ); précédent : 000541; suivant : 000543Retention of denture bases fabricated by three different processing techniques – An in vivo study
Auteurs : V. H. Chalapathi Kumar [Inde] ; Hemchand Surapaneni [Inde] ; V. Ravikiran [Inde] ; B. Sarat Chandra [Inde] ; Srilatha Balusu [Inde] ; V. Naveen Reddy [Inde]Source :
- Journal of International Society of Preventive & Community Dentistry [ 2231-0762 ] ; 2016.
Abstract
Distortion due to Polymerization shrinkage compromises the retention. To evaluate the amount of retention of denture bases fabricated by conventional, anchorized, and injection molding polymerization techniques.
Ten completely edentulous patients were selected, impressions were made, and master cast obtained was duplicated to fabricate denture bases by three polymerization techniques. Loop was attached to the finished denture bases to estimate the force required to dislodge them by retention apparatus. Readings were subjected to nonparametric Friedman two-way analysis of variance followed by Bonferroni correction methods and Wilcoxon matched-pairs signed-ranks test.
Denture bases fabricated by injection molding (3740 g), anchorized techniques (2913 g) recorded greater retention values than conventional technique (2468 g). Significant difference was seen between these techniques.
Denture bases obtained by injection molding polymerization technique exhibited maximum retention, followed by anchorized technique, and least retention was seen in conventional molding technique.
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DOI: 10.4103/2231-0762.183106
PubMed: 27382542
PubMed Central: 4916800
Affiliations:
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H." last="Chalapathi Kumar">V. H. Chalapathi Kumar</name><affiliation wicri:level="1"><nlm:aff id="aff1">Department of Prosthodontics, Narayana Dental College and Hospital, Nellore, Andhra Pradesh, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Narayana Dental College and Hospital, Nellore, Andhra Pradesh</wicri:regionArea><wicri:noRegion>Andhra Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Surapaneni, Hemchand" sort="Surapaneni, Hemchand" uniqKey="Surapaneni H" first="Hemchand" last="Surapaneni">Hemchand Surapaneni</name><affiliation wicri:level="1"><nlm:aff id="aff2">Department of Prosthodontics, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Chinnaoutpalli, Gannavaram, Andhra Pradesh, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Chinnaoutpalli, Gannavaram, Andhra Pradesh</wicri:regionArea><wicri:noRegion>Andhra Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Ravikiran, V" sort="Ravikiran, V" uniqKey="Ravikiran V" first="V." last="Ravikiran">V. Ravikiran</name><affiliation wicri:level="1"><nlm:aff id="aff2">Department of Prosthodontics, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Chinnaoutpalli, Gannavaram, Andhra Pradesh, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Chinnaoutpalli, Gannavaram, Andhra Pradesh</wicri:regionArea><wicri:noRegion>Andhra Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Chandra, B Sarat" sort="Chandra, B Sarat" uniqKey="Chandra B" first="B. Sarat" last="Chandra">B. Sarat Chandra</name><affiliation wicri:level="1"><nlm:aff id="aff2">Department of Prosthodontics, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Chinnaoutpalli, Gannavaram, Andhra Pradesh, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Chinnaoutpalli, Gannavaram, Andhra Pradesh</wicri:regionArea><wicri:noRegion>Andhra Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Balusu, Srilatha" sort="Balusu, Srilatha" uniqKey="Balusu S" first="Srilatha" last="Balusu">Srilatha Balusu</name><affiliation wicri:level="1"><nlm:aff id="aff2">Department of Prosthodontics, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Chinnaoutpalli, Gannavaram, Andhra Pradesh, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Chinnaoutpalli, Gannavaram, Andhra Pradesh</wicri:regionArea><wicri:noRegion>Andhra Pradesh</wicri:noRegion></affiliation></author><author><name sortKey="Reddy, V Naveen" sort="Reddy, V Naveen" uniqKey="Reddy V" first="V. Naveen" last="Reddy">V. Naveen Reddy</name><affiliation wicri:level="1"><nlm:aff id="aff1">Department of Prosthodontics, Narayana Dental College and Hospital, Nellore, Andhra Pradesh, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Narayana Dental College and Hospital, Nellore, Andhra Pradesh</wicri:regionArea><wicri:noRegion>Andhra Pradesh</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of International Society of Preventive & Community Dentistry</title><idno type="ISSN">2231-0762</idno><idno type="eISSN">2250-1002</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec id="st1"><title>Aim:</title><p>Distortion due to Polymerization shrinkage compromises the retention. To evaluate the amount of retention of denture bases fabricated by conventional, anchorized, and injection molding polymerization techniques.</p></sec><sec id="st2"><title>Materials and Methods:</title><p>Ten completely edentulous patients were selected, impressions were made, and master cast obtained was duplicated to fabricate denture bases by three polymerization techniques. Loop was attached to the finished denture bases to estimate the force required to dislodge them by retention apparatus. Readings were subjected to nonparametric Friedman two-way analysis of variance followed by Bonferroni correction methods and Wilcoxon matched-pairs signed-ranks test.</p></sec><sec id="st3"><title>Results:</title><p>Denture bases fabricated by injection molding (3740 g), anchorized techniques (2913 g) recorded greater retention values than conventional technique (2468 g). Significant difference was seen between these techniques.</p></sec><sec id="st4"><title>Conclusions:</title><p>Denture bases obtained by injection molding polymerization technique exhibited maximum retention, followed by anchorized technique, and least retention was seen in conventional molding technique.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Giglio, Jj" uniqKey="Giglio J">JJ Giglio</name></author><author><name sortKey="Lace, Wp" uniqKey="Lace W">WP Lace</name></author><author><name sortKey="Arden, H" uniqKey="Arden H">H Arden</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Ristau, B" uniqKey="Ristau B">B Ristau</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Hamrick, Je" uniqKey="Hamrick J">JE Hamrick</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Parvizi, A" uniqKey="Parvizi A">A 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H." last="Chalapathi Kumar">V. H. Chalapathi Kumar</name></noRegion><name sortKey="Balusu, Srilatha" sort="Balusu, Srilatha" uniqKey="Balusu S" first="Srilatha" last="Balusu">Srilatha Balusu</name><name sortKey="Chandra, B Sarat" sort="Chandra, B Sarat" uniqKey="Chandra B" first="B. Sarat" last="Chandra">B. Sarat Chandra</name><name sortKey="Ravikiran, V" sort="Ravikiran, V" uniqKey="Ravikiran V" first="V." last="Ravikiran">V. Ravikiran</name><name sortKey="Reddy, V Naveen" sort="Reddy, V Naveen" uniqKey="Reddy V" first="V. Naveen" last="Reddy">V. Naveen Reddy</name><name sortKey="Surapaneni, Hemchand" sort="Surapaneni, Hemchand" uniqKey="Surapaneni H" first="Hemchand" last="Surapaneni">Hemchand Surapaneni</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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