JIA patient with greatly improving disease course in the TMJs, left joint (same patient as in Fig. 5). Transcranial radiographs at closed (a,b,c) and maximally opened mouth (d,e,f), including MRI (g) at closed mouth. Left joint shown from 5 to 33 yrs with extensive bone abnormality, anterior position of the condyle in the fossa at closed mouth and severely impaired condyle translation at baseline (a,d), improved condyle morphology and translation at 2 yrs follow-up (b,e), and further improvement of joint morphology and condyle position at final follow-up (c,f,g). * = mandibular condyle. Mandibular growth rotation shown in Fig. 2c.