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Fracture resistance of endodontically treated teeth with different direct corono-radicular restoration methods

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Fracture resistance of endodontically treated teeth with different direct corono-radicular restoration methods

dc.contributor.author	Moosavi, Horieh	es
dc.contributor.author	Afshari, Safora	es
dc.contributor.author	Manari, Fatemeh	es
dc.date.accessioned	2017-07-18T11:56:27Z
dc.date.available	2017-07-18T11:56:27Z
dc.date.issued	2017	es
dc.identifier.uri	http://hdl.handle.net/10550/59597
dc.description.abstract	Endodontically treated teeth are widely considered to be more susceptible to fracture than vital teeth. Obturation procedures and post placement have been a main cause of vertical root fracture. Forty-eight human premolars with standardized weakened roots were endodontically treated and allocated to four experimental groups (n=12). After root canal treatment, in group 1, fiber posts #1 were cemented in root canals using Estelite Core Quick, and the crowns were restored with resin composite. For group 2 and 3, the roots and crowns were restored using a light-cured and self-cured adhesive and resin composites respectively. In group 4, it was used the Panavia F 2.0 resin cement and resin composite for corono-radicular reconstruction. In group 5, the teeth remained untouched. After 24 hours storage and 1000 thermocycles, samples were loaded at a cross head speed of 1 mm per minute. A significant difference was observed in fracture resistance among groups 4 and 5 compared to other groups. Root reconstruction with fiber post and Panavia resin cement, and crown building using light-cured resin composite resulted in increased fracture resistance equal to that of intact teeth.	es
dc.source	Moosavi, Horieh ; Afshari, Safora ; Manari, Fatemeh. Fracture resistance of endodontically treated teeth with different direct corono-radicular restoration methods. En: Journal of Clinical and Experimental Dentistry, 9 3 2017: 454-459	es
dc.title	Fracture resistance of endodontically treated teeth with different direct corono-radicular restoration methods	es
dc.type	info:eu-repo/semantics/article	en
dc.type	info:eu-repo/semantics/publishedVersion	en
dc.subject.unesco	UNESCO::CIENCIAS MÉDICAS	es
dc.identifier.doi	10.4317/jced.53160	es