Before obturation, all specimens received Roth sealing cement Roth International. This cement was introduced with a lentulus at 100 rpm speed. After this, canals were filled following the three techniques subject of the study.
Antes de ser obturados, a todos los especímenes se les colocó cemento sellador Roth Roth International, introduciéndolo con un léntulo a una velocidad de 100 rpm. Posteriormente, se obturaron los conductos con las tres técnicas a estudiar.