The authors deal with the results accomplished by surgical procedure on 10 cases of fronto-basal trauma. X-Rays taken from the skull disclosed an involvement of bone structures of the fronto-basal region in all cases examined. The most outstanding clinical findings in these cases were: lesion of the olfactory nerve (7 cases), bacterial meningitis (3 cases), cerebrospinal fluid cranio-nasal fistula (3 cases). The surgical technic was accomplished according to the procedure devised by Dietz and consisted of plastics of the anterior floor of the skull accompanied by galea-periosteal junction taken out from the scalp. The authors did not find any post-operative complications in the cases registered.