Abstract
Cone-Beam Computed Tomography (CBCT) and analysis software have shown great evolution. The aim of this study will be to evaluate the quality of the obturation and dentinal thickness after root canal preparation and retreatment by CBCT using the analysis software e-Vol DX (CDT Software, Bauru, SP, Brazil) in comparison to micro-computed tomography (micro -CT). Subproject 1: oval root canal…