Tooth ache is generally caused by dental disease due to infection, but there is some uncommon condition like trigeminal neuralgia that causes tooth ache. Trigeminal nerve is ONE of the main nerves which ORIGINATES from the brain stem and enter the face, and end in the tooth bottom. When this nerve gets DISTURBED or damage during an accident or while operation, it causes the pain KNOWN as trigeminal neuralgia. Such condition is most commonly found among the elderly people and those having HYPERTENSION.

Tooth ache is generally caused by dental disease due to infection, but there is some uncommon condition like trigeminal neuralgia that causes tooth ache. Trigeminal nerve is one of the main nerves which originates from the brain stem and enter the face, and end in the tooth bottom. When this nerve gets disturbed or damage during an accident or while operation, it causes the pain known as trigeminal neuralgia. Such condition is most commonly found among the elderly people and those having hypertension.