JIA patient with normal TMJs. Transcranial radiographs at closed (a,b,c) and maximally opened mouth (d,e,f), including tomogram (g) and MRI (h) at closed mouth. One joint shown from 11 to 33 yrs with normal anatomical structures and normal mandibular condyle translation at baseline (a,d,g), 2 yrs follow-up (b,e) and final follow-up (c,f,h). * = mandibular condyle. Mandibular growth rotation shown in Fig. 2a.