Abstract
The aim of this study is: a) to monitor the microbiological load (UFC/mL) and the microbiological profile (checkerboard DNA-DNA hybridization test); lipopolysaccharides (LPS) (UE/mL) and lipoteichoic acid (LTA)/mL) levels in teeth with secondary endodontic infection submitted to single-visit (SV) and multiple-visit (MV) endodontic retreatment; b) to correlate the microbiological profile, …