Numb chin syndrome: a case series and discussion.

Numb chin syndrome is a sensory neuropathy in the distribution of the mental or inferior alveolar nerve. It may occur in benign disease, both systemic and dental in origin. It is also an under appreciated sign of malignancy. We present six cases from our experience highlighting the varied presentation and briefly review the aetiology, pathogenesis and management of numb chin syndrome and stress its importance with regards to the association with malignant disease.