Abdelgawad, L.M. et al. 2020. Efficacy of diode laser and sonic agitation of Chlorhexidine and Silver-nanoparticles in infected root canals. Brazilian Dental Science. 23, 3 (Jun. 2020), 7 p. DOI:https://doi.org/10.14295/bds.2020.v23i3.1989.