| Melone Classification of Intraarticular distal radius fractures | |
| I | Minimally displaced / Stable |
| II | Comminuted / Stable Displaced Medial Complex Dorsal: die-punch, Barton Palmar: Smith 2 |
| III | Displaced Medial Complex as a unit,
Displaced radial shaft fragments |
| IV | Wide separation or rotation of medial fragments
Extensive soft tissue and periarticular damage |