Figure 1.

Materials used in the study, their compositions and manufacturers

Material	Composition	Manufacturer
Sealer 26	Calcium hydroxide, bismuth oxide, tetramine hexamethylene, titanium dioxide, bisphenol epoxy resin.	Dentsply, Rio de Janeiro, RJ, Brazil
White MTA	Silicon dioxide , potassium oxide, aluminum oxide, sodium oxide, iron oxide, sulfur trioxide, calcium oxide, bismuth oxide, magnesium oxide, insoluble residues of calcium oxide, potassium and sodium per sulphates and crystalline silica.	Angelus, Soluções em Odontologia, Londrina, PR, Brazil
Epiphany	Bisphenol-A-glycidyl dimethacrylate, polyethylene glycol dimethacrylate, ethoxylated bisphenol-A dimethacrylate, urethane dimethacrylate, barium sulphate, silica, calcium oxide, bismuth, pigments.	Pentron Clinical Technologies, LLC., Wallingford, CT, EUA
Zinc oxide and eugenol	Powder: zinc oxide	Dentsply, Rio de Janeiro, RJ, Brazil
	Liquid: eugenol