Case 316

 A forty-two-year-old female presented in our hospital for painful right jaw rather than left jaw while eating. The pain initially suffered her approximately six months before. Open mouth dimeter without pain was 25 mm, maximum open mouth diameter was 37mm and forced open mouth diameter was 40mm. In opening mouth, right chin deviated to right. Tenderness in case of either closed or opened mouth was admitted at temporomandibular joint (TMJ). She took TMJ radiograph and TMJ MRI (Figs. 1-3).

What are imaging findings to diagnose temporomandibular joint arthrosis?

a.　Disposition of articular disk at opening mouth

b.　Disposition of articular disk at closing mouth

c.　Deformity of auricular disk

d.　Deformity of condylar process

e.　All

answer

2023.11.14