Show pageBacklinksCite current pageExport to PDFBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. =====The 2 mm increment classification system===== Classification Borders Grade I Screws fully contained within the pedicle Grade II (minor pedicle perforation) Up to 2 mm of displacement Grade III (moderate perforation) 2-4 mm of displacement Grade IV (severe) Greater than 4 mm the_2_mm_increment_classification_system.txt Last modified: 2024/06/07 02:51by 127.0.0.1