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In vitro study of fracture strength of provisional crown materials

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dc.contributor.authorKaraokutan, Isil
dc.contributor.authorSayin, Gulsum
dc.contributor.authorKara, Ozlem
dc.contributor.institutionauthorKARA, ÖZLEM
dc.date.accessioned2019-10-05T21:33:41Z
dc.date.available2019-10-05T21:33:41Z
dc.date.issued2015-02-01
dc.description.abstractPURPOSE. The purpose of this report was to evaluate the effect of the fabrication method and material type on the fracture strength of provisional crowns. MATERIALS AND METHODS. A master model with one crown (maxillary left second premolar) was manufactured from Cr-Co alloy. The master model was scanned, and the data set was transferred to a CAD/CAM unit (Yenamak D50, Yenadent Ltd, Istanbul, Turkey) for the Cercon Base group. For the other groups, temporary crowns were produced by direct fabrication methods (Imident, Temdent, Structur Premium, Takilon, Systemp c&b II, and Acrytemp). The specimens were subjected to water storage at 37°C for 24 hours, and then they were thermocycled (TC, 5000×, 5-55°C) (n=10). The maximum force at fracture (Fmax) was measured in a universal test machine at 1 mm/min. Data was analyzed by non-parametric statistics (α=.05). RESULTS. Fmax values varied between 711.09-1392.1 N. In the PMMA groups, Takilon showed the lowest values (711.09 N), and Cercon Base showed the highest values (959.59 N). In the composite groups, Structur Premium showed the highest values (1392.1 N), and Acrytemp showed the lowest values (910.05 N). The composite groups showed significantly higher values than the PMMA groups (P=.01). CONCLUSION. Composite-based materials showed significantly higher fracture strengths than PMMA-based materials. The CADCAM technique offers more advantages than the direct technique. [J Adv Prosthodont 2015;7:27-31]en
dc.identifier
dc.identifier.citationKaraokutan I., Sayin G., Kara O., -In vitro study of fracture strength of provisional crown materials-, JOURNAL OF ADVANCED PROSTHODONTICS, cilt.7, ss.27-31, 2015
dc.identifier.doi10.4047/jap.2015.7.1.27
dc.identifier.pubmed25722834
dc.identifier.scopus84923062745
dc.identifier.urihttps://hdl.handle.net/20.500.12645/7615
dc.identifier.wosWOS:000350184300005
dc.language.isoen
dc.rightsinfo:eu-repo/semantics/openAccessen
dc.titleIn vitro study of fracture strength of provisional crown materials
dc.typeArticle
dspace.entity.typePublication
local.article.journalnameACTA PAEDIATRICA
local.avesis.idbd47e20c-ab27-4907-be0c-86e23a30faea
local.avesis.response7491
local.publication.isinternational1
relation.isAuthorOfPublication252d2fa3-986f-4bd5-83da-07e178896107
relation.isAuthorOfPublication.latestForDiscovery252d2fa3-986f-4bd5-83da-07e178896107
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