Background Previous studies have linked apical periodontitis (AP) to inflammatory bowel disease (IBD). The aim of this study was compare the prevalence AP and root canal treatment (RCT) in patients with ulcerative colitis (UC) Crohn´s (CD). Material methods A cross-sectional study, including 28 26 colitis, conducted. diagnosed as radiolucent periapical lesions (RPLs), using index score (PAI). S...