Longitudinal fractures 80%0 of Temporal Bone fractures Lateral Forces along suti the petrosquamous /oniterosayorich Groove ot greater petrosalre Geniculum of facial nery cochlea suture line Plane of anterior (supe Cochlear nery semicircular canal 15-20% Facial Nerve involvement Vestibulocochlear nerve vIID Lateral horizontal EAC laceration estibular nerve xternal wpstihul Plane ot postenor or endolymphatic out semicircularcanalLongitudinal fractures ◼ 80% of Temporal Bone Fractures ◼ Lateral Forces along the petrosquamous suture line ◼ 15-20% Facial Nerve involvement ◼ EAC laceration