C ondylar trauma or fracture in children sometimes results in bony ankylosis of the temporomandibular joint, This is a severe crippling deformity which not only robs its victim of masticatory function, proper diet, good appearance, and normal facial growth but also restricts normal social and psychological development. Rapid bone regeneration and disuse muscle atrophy, coupled with the need for physiotherapy in learning new neuromuscular pathways, necessitate a most comprehensive treatment plan in overcoming this disability. We would like to present and discuss two cases of bony ankylosis of the temporomandibular joint.