[Effectiveness of an irrigant in the chronic periapical abscess management: a case report].

The endodontic environment has optimal conditions for the growth of microorganisms that can release by-products into the periapical region of the tooth and cause inflammatory lesions. Chemical disinfection using irritants solutions plays an clinical important role, as they are able to remove waste from contaminated organic and inorganic tissues, generating a residual antibacterial effect. The purpose of this study was to show the effectiveness of 2.