Fig. 3From: The remaining dentin thickness investigation of the attempt to remove broken instrument from mesiobuccal canals of maxillary first molars with virtual simulation technique3D color-coded image of residual dentin thickness distribution around the narrow parallel space in root dentin after created a staging platform when the instrument placed in mesiobuccal canal below the orifice with 3 mm (a) and 5 mm (b) depthBack to article page