ALT @aneetaprem showing the The trigeminal nerve on the face Aneeta Prem ceo @freedomcharity @tna_uk beautiful women suicide disease most painful condition in the world It is the nerve responsible for providing sensation to the face. On October 7th, On October 7th, National Trigeminal Neuralgia Awareness Day brings support and education to the general public about a painful condition. The trigeminal nerve is the largest of cranial nerves and consists of 12 pairs of nerves that control many functions of the face. brings support and education to the general public about a painful condition. The trigeminal nerve is the largest of cranial nerves and consists of 12 pairs of nerves that control many functions of the face.