Abstract
BackgroundThe present study was aimed to evaluate and compare the apical sealing ability of two endodontic root-end filling materials namely, iRoot SP (ceramic based) and ProRoot MTA using the bacterial leakage system.Material and MethodsA total of fifty recently extracted, single rooted teeth with a single straight canal were selected for the study. The teeth were chemo mechanically prepared. The apical 3mm of the root was resected and root end cavities were prepared. The teeth were randomly divided into two groups of twenty teeth each for the experimental root end filling materials namely, iRoot SP and ProRoot MTA. A two-chamber model was constructed using pippeter tips and plastic vials. The pipetter tips with the teeth were suspended in these caps and the entire assembly was reattached to the vial. The upper chamber was seeded withEnterococcus faecalis. An Enterococci-selective broth was used in the lower chamber. Leakage was assessed for 90 days and compared using survival statistics.ResultsThe ProRoot MTA filled root end samples leaked within 30-72 days. The iRoot SP filled root end samples leaked within 51-69 days.ConclusionsUnder the parameters of this study, it can be concluded that all the tested materials showed significant apical sealing ability as root-end filling materials over a period of 90 days. iRoot SP exhibited the most effective apical sealing ability as compared to ProRoot MTA. Key words:Apical sealing ability, Bacterial leakage, iRoot SP, ProRoot MTA, Root-end filling.
Highlights
The best result visualized for an endodontic treatment would be hard tissue closure, separating the obturated canal from the periapical tissues and maintaining a biologically conducive environment [1]
According to the manufacturer’s description, iRoot SP is a convenient, premixed, ready-to-use injectable white hydraulic cement paste developed for permanent root canal filling, as an endodontic sealer and as a retrograde filling material. iRoot SP is an insoluble, radiopaque, and aluminium-free material based on a calcium silicate composition, which requires the presence of water to set and harden
Considering the successful outcomes observed with the use of this material, the present study was undertaken to compare and evaluate the apical sealing ability using the bacterial leakage system of two root-end filling materials namely: iRoot SP and ProRoot Mineral Trioxide Aggregate (MTA) (DENTSPLY)
Summary
The best result visualized for an endodontic treatment would be hard tissue closure, separating the obturated canal from the periapical tissues and maintaining a biologically conducive environment [1]. Considering the successful outcomes observed with the use of this material, the present study was undertaken to compare and evaluate the apical sealing ability using the bacterial leakage system of two root-end filling materials namely: iRoot SP and ProRoot MTA (DENTSPLY). Following the placement of the intracanal barrier in the root canals of the control teeth, five root-end cavities were filled with gutta-percha without a root canal sealer which was a positive control and the other five were filled with sticky wax covered with two layers of nail varnish which would act as a negative control. The root was sealed in the pipette tip using sticky wax covered by two layers of nail varnish, so that the most apical 3 mm remained free of the sealant. The p value was < 0.05 and was considered statistically significant
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