Fig. 3From: Investigation of three-rooted deciduous mandibular second molars in a Chinese population using cone-beam computed tomographyDegrees of root curvatures in the disto-lingual (DL) and disto-buccal (DB) roots of the three-rooted deciduous mandibular second molars (DMSMs) and three-rooted permanent mandibular first molars (PMFMs). Measured by Schneider’s technique. Error bar is SEM, *p < 0.05, **p < 0.01Back to article page