Fig. 1From: External root resorption and rapid maxillary expansion in the short-term: a CBCT comparative study between tooth-borne and bone-borne appliances, using 3D imaging digital technologySegmentation masks of P1 (maxillary first premolar), P2 (maxillary second premolar) and M1 (maxillary first molar) using Mimics Medical (Materialise NV vr.21.0, Leuven, Belgium); (a-c) Coronal, axial and sagittal view, (d) 3D rendered tooth modelBack to article page