In 1862 English explorer John Hanning Speke journeyed from Africaâs east coast to find what he considered to be the source, where the river exits Lake Victoria in present-day Uganda.
Nerve Pain. Common types of nerve pain you may experience in the mouth can come from your taste and sensory nerves (burning mouth syndrome), inferior alveolar nerve located in the lower jaw, skin of the chin and lower lip, or in your lingual nerve, which descends to the tongue and under the mucous membrane of the mouth.erve Pain. Common types of nerve pain you may experience in the mouth can come from your taste and sensory nerves (burning mouth syndrome), inferior alveolar nerve located in the lower jaw, skin of the chin and lower lip, or in your lingual nerve, which descends to the tongue and under the mucous membrane of the mouth.
More symptoms of a problem in your mouth are. 1  a sore, or an ulcer, that does not heal. 2  dark spots or holes in your teeth. 3  pain in your mouth, face, or jaw that doesnât go away. 4  loose teeth. 5  pain when chewing. 6  a changed sense of taste or a bad taste in your mouth. 7  bad breath that doesnât go away when you brush your teeth.