Table 1.

Percentage of Cell Mortality ± Standard Deviation Determined by MTT Test

Canal Filling Materials	24h	48h	72h
Real Seal 1TM	0.05 ± 0.001	0.0	0.0
Real SealTM	2.5 ± 0.2	0.0	0.0
ThermafilTM	0.06 ± 0.0015	0.0	0.0
Real Seal 1TM (50%)	0.0	0.0	0.0
Real SealTM (50%)	3.3 ± 0.020	3.8 ± 0.025	1.5 ± 0.020
ThermafilTM (50%)	0.0	0.0	0.0