[Topographic anatomic basis for modified osteotomy of the maxilla]

Macroscopic examination of anatomo-topographic features of pterygomaxillary region was performed in 57 dried skulls of subjects in different age groups (6 months to 40 years and older), and in autopsied skulls from 15 subjects 12 to 18 years. Age-related spatial anatomo-topographic features of pterygomaxillary and maxillary tuberosity-anterior part of pterygoid processes junctions were studied. Maximal height of pterygomaxillary junction was 19 mm in adults, its minimal height being 7 mm, and full synostosis evident after 18 to 20 years. A technique of preserving closed osteotomy of the upper jaw using a wire saw was developed.