Comparative evaluation of bonding strength of computer aided machined ceramic, pressable ceramic, and milled metal implant abutment copings and effect of surface conditioning on bonding strength: An in vitro study
Identifieur interne : 000977 ( Main/Exploration ); précédent : 000976; suivant : 000978Comparative evaluation of bonding strength of computer aided machined ceramic, pressable ceramic, and milled metal implant abutment copings and effect of surface conditioning on bonding strength: An in vitro study
Auteurs : Sapna Rani [Inde] ; Mahesh Verma [Inde] ; Shubhra Gill [Inde] ; Rekha Gupta [Inde]Source :
- The Journal of the Indian Prosthodontic Society [ 0972-4052 ] ; 2016.
Abstract
The aim of this study was to compare the shear bond strength of computer aided design/computer aided machined ceramic (CAD/CAM), pressable ceramic, and milled metal implant copings on abutment and the effect of surface conditioning on bonding strength.
A total of 90 test samples were fabricated on three titanium abutments. Among 90 test samples, 30 copings were fabricated by CAD/CAM, 30 by pressable, and 30 by milling of titanium metal. These 30 test samples in each group were further subdivided equally for surface treatment. Fifteen out of 30 test samples in each group were surface conditioned with airborne particle abrasion. All the 90 test samples were luted on abutment with glass ionomer cement. Bonding strength was evaluated for all the samples using universal testing machine at a crosshead speed of 5 mm/min. The results obtained were compared and evaluated using one-way ANOVA with
The mean difference for CAD/CAM surface conditioned subgroup was 1.28 ± 0.12, for nonconditioned subgroup was 1.20 ± 0.11. The mean difference for pressable surface conditioned subgroup was 1.18 ± 0.04, and for nonconditioned subgroup was 0.75 ± 0.28. The mean difference for milled metal surface conditioned subgroup was 2.57 ± 0.58, and for nonconditioned subgroup was 1.49 ± 0.15.
On comparison of bonding strength, milled metal copings had an edge over the other two materials, and surface conditioning increased the bond strength.
Url:
DOI: 10.4103/0972-4052.176517
PubMed: 27141163
PubMed Central: 4837770
Affiliations:
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uniqKey="Verma M" first="Mahesh" last="Verma">Mahesh Verma</name><affiliation wicri:level="1"><nlm:aff id="aff1">Department of Prosthodontics, MAIDS, New Delhi, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, MAIDS, New Delhi</wicri:regionArea><wicri:noRegion>New Delhi</wicri:noRegion></affiliation></author><author><name sortKey="Gill, Shubhra" sort="Gill, Shubhra" uniqKey="Gill S" first="Shubhra" last="Gill">Shubhra Gill</name><affiliation wicri:level="1"><nlm:aff id="aff1">Department of Prosthodontics, MAIDS, New Delhi, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, MAIDS, New Delhi</wicri:regionArea><wicri:noRegion>New Delhi</wicri:noRegion></affiliation></author><author><name sortKey="Gupta, Rekha" sort="Gupta, Rekha" uniqKey="Gupta R" first="Rekha" last="Gupta">Rekha Gupta</name><affiliation wicri:level="1"><nlm:aff id="aff1">Department of Prosthodontics, MAIDS, New Delhi, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, MAIDS, New Delhi</wicri:regionArea><wicri:noRegion>New Delhi</wicri:noRegion></affiliation></author></analytic><series><title level="j">The Journal of the Indian Prosthodontic Society</title><idno type="ISSN">0972-4052</idno><idno type="eISSN">1998-4057</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>Background/Purpose:</title><p>The aim of this study was to compare the shear bond strength of computer aided design/computer aided machined ceramic (CAD/CAM), pressable ceramic, and milled metal implant copings on abutment and the effect of surface conditioning on bonding strength.</p></sec><sec id="st2"><title>Materials and Methods:</title><p>A total of 90 test samples were fabricated on three titanium abutments. Among 90 test samples, 30 copings were fabricated by CAD/CAM, 30 by pressable, and 30 by milling of titanium metal. These 30 test samples in each group were further subdivided equally for surface treatment. Fifteen out of 30 test samples in each group were surface conditioned with airborne particle abrasion. All the 90 test samples were luted on abutment with glass ionomer cement. Bonding strength was evaluated for all the samples using universal testing machine at a crosshead speed of 5 mm/min. The results obtained were compared and evaluated using one-way ANOVA with <italic>post-hoc</italic> and unpaired <italic>t</italic>-test at a significance level of 0.05.</p></sec><sec id="st3"><title>Results:</title><p>The mean difference for CAD/CAM surface conditioned subgroup was 1.28 ± 0.12, for nonconditioned subgroup was 1.20 ± 0.11. The mean difference for pressable surface conditioned subgroup was 1.18 ± 0.04, and for nonconditioned subgroup was 0.75 ± 0.28. The mean difference for milled metal surface conditioned subgroup was 2.57 ± 0.58, and for nonconditioned subgroup was 1.49 ± 0.15.</p></sec><sec id="st4"><title>Conclusions:</title><p>On comparison of bonding strength, milled metal copings had an edge over the other two materials, and surface conditioning increased the bond strength.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Kim, Jt" uniqKey="Kim J">JT Kim</name></author><author><name sortKey="Cho, Sa" uniqKey="Cho S">SA Cho</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Ehrenkranz, H" uniqKey="Ehrenkranz H">H Ehrenkranz</name></author><author><name sortKey="Langer, B" uniqKey="Langer B">B Langer</name></author><author><name sortKey="Marotta, L" uniqKey="Marotta L">L Marotta</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Abbo, B" uniqKey="Abbo B">B Abbo</name></author><author><name 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first="Sapna" last="Rani">Sapna Rani</name></noRegion><name sortKey="Gill, Shubhra" sort="Gill, Shubhra" uniqKey="Gill S" first="Shubhra" last="Gill">Shubhra Gill</name><name sortKey="Gupta, Rekha" sort="Gupta, Rekha" uniqKey="Gupta R" first="Rekha" last="Gupta">Rekha Gupta</name><name sortKey="Verma, Mahesh" sort="Verma, Mahesh" uniqKey="Verma M" first="Mahesh" last="Verma">Mahesh Verma</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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