Microbial leakage evaluation of warm gutta - percha techniques.
Journal of biological regulators and homeostatic agents(2021)
Abstract
The aim of this study is to compare bacterial leakage of MicroHeat and continuous wave with and without endodontic sealer. Thirty-eight single-rooted extracted mandibular premolars were selected and randomly divided into four experimental groups (n=8) and two control groups (n=3). Teeth were prepared with Mtwo NiTi files and obturated with MicroHeat or System B with or without endodontic sealer. Three teeth were used as positive controls (Ct+) and three intact teeth served as negative controls (Ct-). All samples were tested for bacterial infiltration every day for 60 days. On day 32 overall contamination value was 62.5% for Mseal, 75% for Mnoseal, 75% for SBseal and 37.8% for SBnoseal; after 60 days, the final contamination result was 100% for Mseal, Mnoseal and SBseal and 87.5% for SBnoseal. At the end of the observation period, groups showed no statistically significant differences.
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Key words
MicroHeat,bacterial leakage,continuous wave,endodontic sealer,filling method
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