Abstract:Objective: To evaluate the use of optic fiber and different pre-irradiation times (PIT) in phototherapy with LED for the root canal disinfection of bovine teeth infected in vitro with Enterococcus faecalis. Methodology: The teeth were incubated for 60 days and divided into six groups according to disinfection protocol: Group 1 -distilled water; Group 2 -1 minute PIT and no optic fiber; Group 3 -1 minute PIT and optic fiber; Group 4 -5 minute PIT and no optic fiber; Group 5 -5 minute PIT and optic fiber; Group … Show more
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