BeeFill system is a new thermoplasticized obturation technique. The aim of this study was to compare the apical seal of canals obturated by this system comparing with cold lateral condensation technique by using fluid filtration method. Sixty freshly extracted human premolars with single canal were selected. Canals prepared by step back technique. In group A, 20 canals obturated with lateral condensation technique and AH26 sealer whereas in group B, 20 canals were obturated by using BeeFill system and AH26 sealer. After the evaluation of the apical seal by fluid filtration method, the results showed that apical seal in group B was better than group A with no significant difference.

Key Words: BeeFill, thermoplasticized gutta-percha, fluid filtration, apical seal, obturation