Table 1.

Manufacturer names and composition of the root canal filling materials used in the study.

Material	Company	Major chemical compounds
BioAggregate	DiaDent Group International, Canada	Tricalcium silicate, dicalcium silicate, tantalum pentoxide, calcium phosphate monobasic, amorphous silicon oxide
MTA-Angelus	Angelus, Londrina, PR, Brazil	Tricalcium silicate, dicalcium silicate, tricalcium aluminate, tetracalcium aluminoferrite, bismuth oxide
MTA-Plus	Avalon Biomed Inc. by Prevest Denpro Limited, India	Tricalcium silicate, dicalcium silicate, bismuth oxide, calcium sulfate, silica
EndoSequence Root Repair Material	Brasseler, USA	Tricalcium silicate, dicalcium silicate, zirconium oxide, tantalum oxide, calcium phosphate monobasic, calcium hydroxide, filler and thickening agents