Spontaneous tooth exfoliation and osteonecrosis following a herpes zoster infection of the fifth cranial nerve.

Spontaneous exfoliation of teeth and osteonecrosis of the alveolar bone are rare complications of HZ infection that usually follow the acute phase of infection. Awareness of osteonecrosis associated with secondary HZ infection is important for early detection and treatment of the condition to prevent further complications, particularly in high-risk patients.