%0 Journal Article %T Evaluaci車n del sellado apical de sistemas resinosos en la obturaci車n de conductos radiculares: ˋEstudio in Vitroˋ %A Guerrero Bobadilla %A Carlos %A Ram赤rez S芍nchez %A Hermes Ulises %A Varela Ochoa %A Rub谷n %A Mondrag車n Espinoza %A Jaime Dar赤o %A Mel谷ndez Ruiz %A Jos谷 Luis %A Le車n Contreras %A Jos谷 Manuel %A L車pez Avalos %A Manuel %J Acta Odontol車gica Venezolana %D 2010 %I Scientific Electronic Library Online %X the purpose of this study is to compare the capacity of apical sealed between the cements ah plus, endo-rez and epiphany. sixty eight human single-rooted inferior premolars of recent extraction were included. the specimens were decrowned and instrumented with the crown-down technique until the #50 file. the teeth were randomly divided into three groups of 20 each one and obturated with the technique of lateral condensation. group 1: ah plus, group 2: endo-rez, group 3: epiphany and two groups of fourth specimens for control (positive and negative). the specimens were prepared to be submerged in 2% blue of methylene solution by 48 hours in to vacuum atmosphere. the results showed an apical sealed average of 0.27 mm for ah plus, 0.40 mm for the endo-rez and 0.41 mm for the epiphany. the anova test supplemented with the post-hoc tukeyˋs hsd test revealed best apical sealed for the group with ah plus (p <0.05) and no statically significant differences were found between other groups. under the conditions of this study, the ah plus cement showed the best conditions of apical sealed %K apical sealed %K filtration %K ah plus %K endo-rez %K epiphany. %U http://www.scielo.org.ve/scielo.php?script=sci_abstract&pid=S0001-63652010000100004&lng=en&nrm=iso&tlng=en