INTRODUCTION Piezosurgery, a method of bone cutting utilizing ultrasound vibrations, widely used in oral and maxillofacial surgery, is being used in a growing number of new clinical applications. Its main advantages are preservation of soft tissues, precise bone cutting, and the possibility of use in narrow spaces. Over the past 5 years, several authors have presented their experience with the ...

BACKGROUND AND PURPOSE The crista galli is part of the ethmoid bone and, as such, it could be expected that aeration of the crista would come from ethmoid cells. After observing crista pneumatization from the frontal sinuses in several cases, we undertook this study to establish how often crista galli pneumatization came from the frontal sinuses rather than from the ethmoid complex. MATERIALS...

Hemangioma of the skull is a benign solitary tumor, often found in the frontal or parietal area. A hemangioma lesion typically involves the outer table rather than the inner, but its complete removal at the diploe level is difficult. Full-thickness resection at the calvaria is often needed to ensure a free margin, but it will leave a bony defect that requires reconstruction. Although curettage ...