Bacterial removal promoted by 2 single-file systems: Wave One and One Shape.

Abstract:

INTRODUCTION:Different single-file systems are available for endodontic treatment; however, comparative studies are scarce. Thus, the present study evaluated bacterial reduction promoted by 2 single-file systems: Wave One (Dentsply Maillefer, Ballaigues, Switzerland) and One Shape (Micromega, Besancon, France). METHODS:Forty-five distobuccal root canals of upper molars sterilized with ethylene oxide were infected with Enterococcus faecalis for 21 days, and then root canal initial bacterial sample was collected with paper cones and plated on M-enterococcus agar. The specimens were randomly divided into 3 groups according to instrumentation (n = 15): Wave One, One Shape, and the crown-down manual technique (control group). The other 6 specimens without contamination were control asepsis. After instrumentation, samples were collected with the use of scraping and paper cones. The bacterial reduction was calculated, and then intragroup analysis was performed using the paired t test and intergroup analysis using analysis of variance (both at 5% significance). RESULTS:All techniques significantly reduced the number of bacteria in the root canal (P < .05), with no significant difference between them (P > .05). The aseptic control group did not show any bacterial growth. CONCLUSIONS:It can be concluded that the single-file systems Wave One and One Shape significantly reduce the bacterial number in the root canal and that there is no significant difference in their bacterial reduction abilities.

journal_name

J Endod

journal_title

Journal of endodontics

authors

Nabeshima CK,Caballero-Flores H,Cai S,Aranguren J,Borges Britto ML,Machado ME

doi

10.1016/j.joen.2014.07.024

subject

Has Abstract

pub_date

2014-12-01 00:00:00

pages

1995-8

issue

12

eissn

0099-2399

issn

1878-3554

pii

S0099-2399(14)00660-8

journal_volume

40

pub_type

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