Fig. 4From: Dentists’ clinical decision-making about teeth with apical periodontitis using a variable-controlled survey model in South KoreaExtraction rate for each group of dentists regarding size of periapical radiolucency. Cases of incisors and premolars (a) and those of molars (b) are depicted separately for describing different results from the tooth position. ‘Ref.’ and ‘N/A’ indicate the reference category and ‘not applicable’, respectively (simple logistic regression analysis (p < .05))Back to article page