TY - JOUR
T1 - Antibacterial efficacy of conventional and single-use Ni-Ti endodontic instruments
T2 - An in vitro microbiological evaluation
AU - Dagna, Alberto
AU - Arciola, Carla Renata
AU - Visai, Livia
AU - Selan, Laura
AU - Colombo, Marco
AU - Bianchi, Stefano
AU - Poggio, Claudio
PY - 2012
Y1 - 2012
N2 - Purpose: The purpose of this in vitro study was to investigate the capability of different Ni-Ti instruments in disinfecting root canals previously infected with E. faecalis. Methods: 60 single-rooted, freshly extracted teeth were selected, sterilized and inoculated with cells of E. faecalis strain. All root canals were shaped with different Ni-Ti instruments (MTwo, Revo-S, Reciproc, and OneShape) under irrigation with NaOCl and 17% EDTA solutions by the same trained operator. The number of Colony Forming Units (CFU)/ml of E. faecalis was evaluated for each group. Numeric data were submitted to statistical analysis. Results: MTwo, REVO-S, Reciproc and OneShape reported significantly lower CFU/ml values and showed no significant differences among them (p>0.05). All groups showed significantly higher CFU/ml values than not treated samples (negative control). Conclusions: All the Ni-Ti instrumentation efficiently reduced E. faecalis counts and no significant differences were found among them. Single-use files can offer antibacterial results comparable with traditional instruments.
AB - Purpose: The purpose of this in vitro study was to investigate the capability of different Ni-Ti instruments in disinfecting root canals previously infected with E. faecalis. Methods: 60 single-rooted, freshly extracted teeth were selected, sterilized and inoculated with cells of E. faecalis strain. All root canals were shaped with different Ni-Ti instruments (MTwo, Revo-S, Reciproc, and OneShape) under irrigation with NaOCl and 17% EDTA solutions by the same trained operator. The number of Colony Forming Units (CFU)/ml of E. faecalis was evaluated for each group. Numeric data were submitted to statistical analysis. Results: MTwo, REVO-S, Reciproc and OneShape reported significantly lower CFU/ml values and showed no significant differences among them (p>0.05). All groups showed significantly higher CFU/ml values than not treated samples (negative control). Conclusions: All the Ni-Ti instrumentation efficiently reduced E. faecalis counts and no significant differences were found among them. Single-use files can offer antibacterial results comparable with traditional instruments.
KW - Disinfection
KW - Endodontics
KW - Enterecoccus faecalis
KW - Ni-Ti instruments
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U2 - 10.5301/ijao.5000160
DO - 10.5301/ijao.5000160
M3 - Article
C2 - 23080217
AN - SCOPUS:84870511094
SN - 0391-3988
VL - 35
SP - 826
EP - 831
JO - International Journal of Artificial Organs
JF - International Journal of Artificial Organs
IS - 10
ER -