Nerve injury involving a complete severance of the nerve trunk, leading to Wallerian degeneration. Sensory and/or motor functions are impaired. The potential for recovery is remote. In implant dentistry, this may be caused by an incision of the nerve or any of the factors leading to axonotmesis.
Complete loss of nerve function with little apparent damage.
An act of cutting a nerve completely.
Nerve injury with complete loss of function of the nerve even though there is little apparent anatomic damage.