Figure 1From: Effect of jaw opening on the stress pattern in a normal human articular disc: finite element analysis based on MRI images Boundary tracing of the TMJ. (a) MRI image of the TMJ at 6 mm of jaw opening. The contours of the fossa, disc and condyle are demarcated with white lines. (b) Diagrammatic representation of the contours of the fossa, disc and condyle at jaw opening of 8, 16 and 24 mm.Back to article page