This study investigates the utilization of slag and fly ash (FA) as alternative cementitious binder. Combination of 60% slag and 40% FA was used as new binder. In addition, for activation of slag and FA, sodium hydroxide and calcium hydroxide was used as a chemical activator by 5% weight of the binder, separately. Water to binder and sand to binder ratios was kept 0.55 and 3 in mortar preparati...

introduction : the aim of this in vitro study was to evaluate the antimicrobial activity of four intracanal medicaments on enterococcus faecalis (e. faecalis). methods and materials: fifty extracted single-rooted human teeth were prepared with standard method. after contaminating the canals with e. faecalis , the samples were divided into one control and four experimental groups ( n =10). the t...

microorganisms play a major role in initiation and perpetuation of pulpal and periapical diseases. therefore, elimination of the microorganisms present in the root canal system is the fundamental objective of endodontic treatment. the use of mechanical debridement, chemical irrigation or other antimicrobial protocols and intra-canal medicaments are critical to attain this goal. the aim of this ...

introduction: the purpose of this in vitro study was to compare the ability of triple antibiotic paste (tap) to calcium hydroxide (ch) in disinfecting dentinal tubules. material and methods: sixty root blocks were obtained from extracted single-rooted human teeth. the root canals were enlarged with gates-glidden drills up to size 3 and were contaminated with enterococcus. faecalis ( e. faecalis...