This article describes two cases of condylar penetration into the middle cranial fossa in which a similar surgical procedure is used, namely, a rib graft for closure of the fossa. The rib graft, being an autogenous substance, does not present the problems associated with alloplastic materials. If care is taken not to contaminate the graft, and if the bone used has adequate thickness to prevent penetration and resorption, the graft will prove a superior option to repair damage in teh middle cranial fossa