||One cortex of the metaphysis fails due to tensile stress (Colles and
Smith fractures), and the opposite cortex undergoes some comminution.
||Fracture of the joint surface: Barton's; reversed Barton's styloid
process fracture, simple articular fracture.
||Fracture of the surface of the joint with impaction of subchondral
and metaphyseal bone (die-punch); intraarticular comminuted fracture.
||Fracture of the ligament attachments to ulnar and radial styloid process;
||Combination of types; High energy injuries.