SILVA, Emmanuel J. N. L. et al. Antimicrobial evaluation of vapors of paramonochlorophenol and tricresol formalin using a new methodology. Rev. Bras. Odontol. []. 2012, 69, 2, pp. 255-257. ISSN 1984-3747.

The aim of the present study was to evaluate the antimicrobial effects of paramonochlorophenol and tricresol formalin using a new methodology to simulate the volatilization of these substances. Enterococcus faecalis were inoculated em petri dishes with BHI and mm scalps containing cotton balls soaked with the tested substances were stucked in the petri dishes. Cotton balls without medication were used as negative control. After 48 hours the inhibition halo formation was evaluated. The results showed that tricresol formalin group presented inhinition zones in 100% of scalps, while paramochlorophenol and control group produced no inhibition zone. The results suggested that the vapor of formalin tricresol has antibacterial activity; however paramonochlorophenol was unable to exert antibacterial activity from the volatilization of its gases.

: Endodontics; intracanal dressing; endodontics microbiology..