Fig. 3From: Dentists’ clinical decision-making about teeth with apical periodontitis using a variable-controlled survey model in South KoreaThe extraction rate for each group of dentists regarding tooth-related factors a tooth position, b coronal status, c canal filling status, and d size of periapical radiolucency. ‘Ref.’ indicates the reference category of each factor (simple logistic regression analysis, p < .05))Back to article page