EFFECT OF PONTIC FRAMEWORK DESIGN ON THE FRACTURE RESISTANCE OF IMPLANT-SUPPORTED ALL-CERAMIC FIXED PARTIAL DENTURES
Identifieur interne : 005812 ( Main/Exploration ); précédent : 005811; suivant : 005813EFFECT OF PONTIC FRAMEWORK DESIGN ON THE FRACTURE RESISTANCE OF IMPLANT-SUPPORTED ALL-CERAMIC FIXED PARTIAL DENTURES
Auteurs : Ozgur Inan [Turquie] ; Asli Secilmis [Turquie] ; Oguz Eraslan [Turquie]Source :
- Journal of Applied Oral Science [ 1678-7757 ] ; 2009.
Abstract
The purpose of this study was to compare the fracture resistance of implant-supported all-ceramic fixed partial dentures, which have three different pontic designs.
Two implants were placed in a metal model simulating mandibular left second premolar and mandibular left second molar. Thirty standardized 3-unit all-ceramic fixed partial dentures with biconvex, convex or concave pontic designs were fabricated using IPS e.max system (n=10). Afterwards, specimens were centrally loaded on the pontics until failure with a universal testing machine. Results were analyzed by Kruskal-Wallis and Mann-Whitney U tests at 5% significance level.
The fracture resistance values of all-ceramic fixed partial dentures designed with biconvex, convex or concave pontics were 349.71, 438.20 and 300.78 N, respectively. There were no statistically significant differences between the fracture resistances of the groups (p>0.05), except for convex and concave groups (p<0.05 and p=0.009, respectively).
Convex design showed the best mechanical properties as demonstrated by the high values of fracture resistance.
Url:
DOI: 10.1590/S1678-77572009000500032
PubMed: 19936538
PubMed Central: 4327686
Affiliations:
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type="wicri:Area/Main/Exploration">005812</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">EFFECT OF PONTIC FRAMEWORK DESIGN ON THE FRACTURE RESISTANCE OF IMPLANT-SUPPORTED ALL-CERAMIC FIXED PARTIAL DENTURES</title><author><name sortKey="Inan, Ozgur" sort="Inan, Ozgur" uniqKey="Inan O" first="Ozgur" last="Inan">Ozgur Inan</name><affiliation wicri:level="1"><nlm:aff id="aff01">DDS, PhD, Professor, Department of Prosthodontics, University of Selcuk, Faculty of Dentistry, Konya, Turkey</nlm:aff><country xml:lang="fr">Turquie</country><wicri:regionArea>DDS, PhD, Professor, Department of Prosthodontics, University of Selcuk, Faculty of Dentistry, Konya</wicri:regionArea><wicri:noRegion>Konya</wicri:noRegion></affiliation></author><author><name sortKey="Secilmis, Asli" sort="Secilmis, Asli" uniqKey="Secilmis A" first="Asli" last="Secilmis">Asli Secilmis</name><affiliation wicri:level="1"><nlm:aff id="aff02">DDS, PhD, Assistant Professor, Department of Prosthodontics, University of Gaziantep, Faculty of Dentistry, Gaziantep, Turkey</nlm:aff><country xml:lang="fr">Turquie</country><wicri:regionArea>DDS, PhD, Assistant Professor, Department of Prosthodontics, University of Gaziantep, Faculty of Dentistry, Gaziantep</wicri:regionArea><wicri:noRegion>Gaziantep</wicri:noRegion></affiliation></author><author><name sortKey="Eraslan, Oguz" sort="Eraslan, Oguz" uniqKey="Eraslan O" first="Oguz" last="Eraslan">Oguz Eraslan</name><affiliation wicri:level="1"><nlm:aff id="aff03">DDS, PhD, Assistant Professor, Department of Prosthodontics, University of Selcuk, Faculty of Dentistry, Konya, Turkey</nlm:aff><country xml:lang="fr">Turquie</country><wicri:regionArea>DDS, PhD, Assistant Professor, Department of Prosthodontics, University of Selcuk, Faculty of Dentistry, Konya</wicri:regionArea><wicri:noRegion>Konya</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of Applied Oral Science</title><idno type="ISSN">1678-7757</idno><idno type="eISSN">1678-7765</idno><imprint><date when="2009">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Objective:</title><p>The purpose of this study was to compare the fracture resistance of implant-supported all-ceramic fixed partial dentures, which have three different pontic designs.</p></sec><sec><title>Material and Methods:</title><p>Two implants were placed in a metal model simulating mandibular left second premolar and mandibular left second molar. Thirty standardized 3-unit all-ceramic fixed partial dentures with biconvex, convex or concave pontic designs were fabricated using IPS e.max system (n=10). Afterwards, specimens were centrally loaded on the pontics until failure with a universal testing machine. Results were analyzed by Kruskal-Wallis and Mann-Whitney U tests at 5% significance level.</p></sec><sec><title>Results:</title><p>The fracture resistance values of all-ceramic fixed partial dentures designed with biconvex, convex or concave pontics were 349.71, 438.20 and 300.78 N, respectively. There were no statistically significant differences between the fracture resistances of the groups (p>0.05), except for convex and concave groups (p<0.05 and p=0.009, respectively).</p></sec><sec><title>Conclusions:</title><p>Convex design showed the best mechanical properties as demonstrated by the high values of fracture resistance.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Attia, A" uniqKey="Attia A">A Attia</name></author><author><name sortKey="Kern, M" uniqKey="Kern M">M Kern</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Br Gger, U" uniqKey="Br Gger U">U Brägger</name></author><author><name sortKey="Aeschlimann, S" uniqKey="Aeschlimann S">S Aeschlimann</name></author><author><name sortKey="Burgin, W" uniqKey="Burgin W">W Bürgin</name></author><author><name sortKey="H Mmerle, Ch" uniqKey="H Mmerle C">CH Hämmerle</name></author><author><name sortKey="Lang, Np" uniqKey="Lang 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Inan</name></noRegion><name sortKey="Eraslan, Oguz" sort="Eraslan, Oguz" uniqKey="Eraslan O" first="Oguz" last="Eraslan">Oguz Eraslan</name><name sortKey="Secilmis, Asli" sort="Secilmis, Asli" uniqKey="Secilmis A" first="Asli" last="Secilmis">Asli Secilmis</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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