Fig. 4

a, b) PA and sagittal slice CBCT showing J-shaped radiolucency associated with the distal root of tooth 46. The distal root in fact had a root groove, rather than a VRF
a, b) PA and sagittal slice CBCT showing J-shaped radiolucency associated with the distal root of tooth 46. The distal root in fact had a root groove, rather than a VRF