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Effect Of Different Irrigation Regimens On Enterococcus Faecalis Elimination From Infected Root Canals (An In-Vitro Comparative Study), Fadl Khaled, Roula Abiad, Khaled Abd El Galil, Essam Osman Oct 2021

Effect Of Different Irrigation Regimens On Enterococcus Faecalis Elimination From Infected Root Canals (An In-Vitro Comparative Study), Fadl Khaled, Roula Abiad, Khaled Abd El Galil, Essam Osman

BAU Journal - Health and Wellbeing

Microorganisms harbored in the complexities of root canal systems might lead to endodontic failures and development of apical periodontitis. Enterococcus faecalis is the most common isolated bacteria in these cases. Aim: This study was conducted to compare the efficiency of four irrigation regimens on the elimination of an inoculated strain of E. faecalis. Materials and Methods: Forty single rooted extracted premolars were inoculated with a standard strain of Enterococcus faecalis (ATCC 29212) and incubated at 37˚C for two weeks to allow infection of the dentinal tubules. The bacterial suspension was replaced with a new one every 48 hours. The teeth …


Comparative Study Of The Effect Of Three Different Irrigating Techniques On Debris And Smear Layer Distribution In Root Canals (An In Vitro Study), Maysoun Mohamad Ahmad, Mohamed Atef Ibrahim, Amr Abdallah Apr 2021

Comparative Study Of The Effect Of Three Different Irrigating Techniques On Debris And Smear Layer Distribution In Root Canals (An In Vitro Study), Maysoun Mohamad Ahmad, Mohamed Atef Ibrahim, Amr Abdallah

BAU Journal - Health and Wellbeing

The aim of this study was to compare, in vitro, the cleaning efficacy of three different irrigation techniques: syringe irrigation (Navitip) using NaOCl, sonic irrigation system (EndoActivator), and passive ultrasonic irrigation system (PUI) on debris and smear layer distribution in the root canal at three different levels. Materials and Methods: Sixty freshly extracted single-rooted human mandibular premolars were decoronated to a standardized length of twenty millimeters. Specimens were shaped to IRace 25 size and irrigated with 3 mL 2.5% NaOCl between instrumentation. Teeth were divided randomly into three equal groups: Group I (n=20): Irrigation manually with a syringe (Navitip) (n=20), …