Additionally, the dental pulp provides a hot and cold sensory function.

For example, the tubercles along the dorsal ridge are known to contain numerous nerve endings that may possess a sensory function.

Hair also has a sensory function, extending the sense of touch beyond the surface of the skin.

This may result in abnormal sensory function or neuropathic pain.

Diagnosis typically involves locating the damaged nerve by stimulation of the specific damaged pathway or by identifying missing sensory function.