An evaluation of fracture resistance of interim fixed partial denture fabricated using polymethylmethacrylate and reinforced by different fibres for its optimal placement: an in vitro study
Identifieur interne : 004334 ( Main/Merge ); précédent : 004333; suivant : 004335An evaluation of fracture resistance of interim fixed partial denture fabricated using polymethylmethacrylate and reinforced by different fibres for its optimal placement: an in vitro study
Auteurs : M. Viswambaran ; Anita Kapri ; Dsj D'Souza ; Manjit KumarSource :
- Medical Journal, Armed Forces India [ 0377-1237 ] ; 2011.
Abstract
Polymethylmethacrylate (PMMA) is the most common material used to fabricate interim fixed partial denture (FPD). Several attempts have been made to improve fracture strength of this material with various methods of reinforcement, but its effect on the fracture resistance of interim FPD was not evaluated.
The study was designed in two stages. In the first stage various methods of reinforcement (glass fibre, polyethylene, combination of glass and polyethylene, and stainless steel) for interim FPD of PMMA were used and its effect on the fracture resistance of interim FPD was evaluated by three point bending test using universal testing machine. In the second stage, fibres which showed the highest fracture resistance value was used to ascertain the most appropriate site of placement for reinforcing interim FPD. Comparisons were made with analysis of variance.
Stainless steel and glass fibres showed significantly higher fracture resistance value than polyethylene alone or mixed with glass fibres (
There was a definite improvement in the fracture resistance after reinforcement with fibres and stainless steel. The occlusal third region of the pontic is the most appropriate site of placement for reinforcement in interim FPD.
Url:
DOI: 10.1016/S0377-1237(11)60081-6
PubMed: 27365844
PubMed Central: 4920662
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Viswambaran</name><affiliation><nlm:aff id="aff1">Associate Professor, Department of Dental Surgery, AFMC, Pune – 40</nlm:aff><wicri:noCountry code="subfield">Pune – 40</wicri:noCountry></affiliation></author><author><name sortKey="Kapri, Anita" sort="Kapri, Anita" uniqKey="Kapri A" first="Anita" last="Kapri">Anita Kapri</name><affiliation><nlm:aff id="aff2">Graded Specialist (Prosthodontics), Dental Centre, INHS Sanjivani, Naval Base, Kochi – 682004</nlm:aff><wicri:noCountry code="subfield">Kochi – 682004</wicri:noCountry></affiliation></author><author><name sortKey="D Souza, Dsj" sort="D Souza, Dsj" uniqKey="D Souza D" first="Dsj" last="D'Souza">Dsj D'Souza</name><affiliation><nlm:aff id="aff3">Commanding Officer, 200 MDC, C/o 56 APO</nlm:aff><wicri:noCountry code="subfield">C/o 56 APO</wicri:noCountry></affiliation></author><author><name sortKey="Kumar, Manjit" sort="Kumar, Manjit" uniqKey="Kumar M" first="Manjit" last="Kumar">Manjit Kumar</name><affiliation><nlm:aff id="aff4">Professor, Division of Prosthodontics, Genesis Institute of Dental Sciences & Research, Ferozpur</nlm:aff><wicri:noCountry code="subfield">Ferozpur</wicri:noCountry></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">27365844</idno><idno type="pmc">4920662</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4920662</idno><idno type="RBID">PMC:4920662</idno><idno type="doi">10.1016/S0377-1237(11)60081-6</idno><date when="2011">2011</date><idno type="wicri:Area/Pmc/Corpus">002492</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002492</idno><idno type="wicri:Area/Pmc/Curation">002492</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">002492</idno><idno type="wicri:Area/Pmc/Checkpoint">002248</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">002248</idno><idno type="wicri:Area/Ncbi/Merge">006834</idno><idno type="wicri:Area/Ncbi/Curation">006834</idno><idno type="wicri:Area/Ncbi/Checkpoint">006834</idno><idno type="wicri:doubleKey">0377-1237:2011:Viswambaran M:an:evaluation:of</idno><idno type="wicri:Area/Main/Merge">004334</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">An evaluation of fracture resistance of interim fixed partial denture fabricated using polymethylmethacrylate and reinforced by different fibres for its optimal placement: an in vitro study</title><author><name sortKey="Viswambaran, M" sort="Viswambaran, M" uniqKey="Viswambaran M" first="M" last="Viswambaran">M. Viswambaran</name><affiliation><nlm:aff id="aff1">Associate Professor, Department of Dental Surgery, AFMC, Pune – 40</nlm:aff><wicri:noCountry code="subfield">Pune – 40</wicri:noCountry></affiliation></author><author><name sortKey="Kapri, Anita" sort="Kapri, Anita" uniqKey="Kapri A" first="Anita" last="Kapri">Anita Kapri</name><affiliation><nlm:aff id="aff2">Graded Specialist (Prosthodontics), Dental Centre, INHS Sanjivani, Naval Base, Kochi – 682004</nlm:aff><wicri:noCountry code="subfield">Kochi – 682004</wicri:noCountry></affiliation></author><author><name sortKey="D Souza, Dsj" sort="D Souza, Dsj" uniqKey="D Souza D" first="Dsj" last="D'Souza">Dsj D'Souza</name><affiliation><nlm:aff id="aff3">Commanding Officer, 200 MDC, C/o 56 APO</nlm:aff><wicri:noCountry code="subfield">C/o 56 APO</wicri:noCountry></affiliation></author><author><name sortKey="Kumar, Manjit" sort="Kumar, Manjit" uniqKey="Kumar M" first="Manjit" last="Kumar">Manjit Kumar</name><affiliation><nlm:aff id="aff4">Professor, Division of Prosthodontics, Genesis Institute of Dental Sciences & Research, Ferozpur</nlm:aff><wicri:noCountry code="subfield">Ferozpur</wicri:noCountry></affiliation></author></analytic><series><title level="j">Medical Journal, Armed Forces India</title><idno type="ISSN">0377-1237</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><title>BACKGROUND</title><p>Polymethylmethacrylate (PMMA) is the most common material used to fabricate interim fixed partial denture (FPD). Several attempts have been made to improve fracture strength of this material with various methods of reinforcement, but its effect on the fracture resistance of interim FPD was not evaluated.</p></sec><sec><title>METHOD</title><p>The study was designed in two stages. In the first stage various methods of reinforcement (glass fibre, polyethylene, combination of glass and polyethylene, and stainless steel) for interim FPD of PMMA were used and its effect on the fracture resistance of interim FPD was evaluated by three point bending test using universal testing machine. In the second stage, fibres which showed the highest fracture resistance value was used to ascertain the most appropriate site of placement for reinforcing interim FPD. Comparisons were made with analysis of variance.</p></sec><sec><title>RESULTS</title><p>Stainless steel and glass fibres showed significantly higher fracture resistance value than polyethylene alone or mixed with glass fibres (<italic>P</italic> < 0.001). Fibre placement in the occlusal third region of the pontic resulted in higher fracture resistance than the other locations (<italic>P</italic> < 0.05).</p></sec><sec><title>CONCLUSION</title><p>There was a definite improvement in the fracture resistance after reinforcement with fibres and stainless steel. The occlusal third region of the pontic is the most appropriate site of placement for reinforcement in interim FPD.</p></sec></div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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