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Sealing efficacy of system B versus Thermafil and Guttacore obturation techniques evidenced by scintigraphic analysis

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Sealing efficacy of system B versus Thermafil and Guttacore obturation techniques evidenced by scintigraphic analysis

dc.contributor.author	Marques-Ferreira, Manuel	es
dc.contributor.author	Abrantes, Margarida	es
dc.contributor.author	Ferreira, Hugo Diogo	es
dc.contributor.author	Caramelo, Francisco	es
dc.contributor.author	Rabaça-Botelho, Maria-Filomena	es
dc.contributor.author	Palmeirão-Carrilho, Eunice Virgínia	es
dc.date.accessioned	2017-05-10T11:17:40Z
dc.date.available	2017-05-10T11:17:40Z
dc.date.issued	2017	es
dc.identifier.uri	http://hdl.handle.net/10550/58465
dc.source	Marques-Ferreira, Manuel ; Abrantes, Margarida ; Ferreira, Hugo Diogo ; Caramelo, Francisco ; Rabaça-Botelho, Maria-Filomena ; Palmeirão-Carrilho, Eunice Virgínia. Sealing efficacy of system B versus Thermafil and Guttacore obturation techniques evidenced by scintigraphic analysis. En: Journal of Clinical and Experimental Dentistry. 2017. Vol. 9, no. 1: 56	es
dc.subject	Odontología	es
dc.subject	Ciencias de la salud	es
dc.title	Sealing efficacy of system B versus Thermafil and Guttacore obturation techniques evidenced by scintigraphic analysis	es
dc.type	info:eu-repo/semantics/article	en
dc.type	info:eu-repo/semantics/publishedVersion	en
dc.subject.unesco	UNESCO::CIENCIAS MÃ DICAS	es
dc.description.abstractenglish	This study compared root canal sealing ability, filled by Continuous Wave compaction and two carrier-based obturation systems, using the nuclear medicine approach. Fifty-five single-rooted extracted teeth were selected. The crowns were sectioned and each tooth was instrumented using rotary Protaper® Universal system. The roots were divided into 3 experimental groups and two control groups. Forty-five root canals were filled, using Continuous Wave, GuttaCore or Thermafil system and TopSeal sealer. Ten teeth were used as control. On the 7th days the apices were submersed in a solution of sodium pertechnetate 99mTc for 3 hours and the radioactivity was counted. Although apical leakage in the Continuous Wave group was lower compared with GuttaCore and Thermafil groups, there was no statistical difference (p>0.05). System B, GuttaCore and Thermafil techniques showed a similar sealing effect.	es