Approaches to Peripheral Nerve Repair: Generations of Biomaterial Conduits Yielding to Replacing Autologous Nerve Grafts in Craniomaxillofacial Surgery
Table 1
Sunderland classification.
Sunderland class
Injury
Recovery
I
Neuropraxia: localized and reversible conduction blockade
Complete
II
Axonotmesis: axonal disruption
Complete
III
Endoneurium: axonal and endoneurial sheath disruption
Wallerian degeneration, incomplete
IV
Perineurium: axonal, endoneurial sheath and perineurial sheath
Wallerian degeneration, incomplete
V
Neurotmesis: axonal, endoneurial sheath, perineurial sheath, and epineurial sheath
