The direct pulp capping procedure was carried out under rubber dam. The study protocol included class I cavity preparations on the premolars, followed by iatrogenic exposure of the pulp (0.5mm) using a sterile round bur, placement of the direct pulp capping agent according to the material of allotted to the study group. The teeth were permanently restored on the same visit, except for MTA group were the teeth were temporarily restored using Cavit G, and recalled after 1 day for permanent ...