Fig. 3From: A novel three-dimensional quantitative assessment method for abnormal root morphology of the maxillary premolars in vivo on cone-beam computed tomographyRaw colour map of the maxillary first and second premolars. A Average models for the neutral maxillary premolars; B Average models for the conical maxillary premolars; C Raw colour map showing the regions of statistically significant surface-to-surface differences (cone as a reference)Back to article page