neuralgia caused by toothache

Toothache is caused by bacterial infection of a tooth nerve pain, if in the early stage of caries can be timely filling teeth, infection will be terminated, so that in the early stage of dental caries, need early treatment, otherwise bacterial infection reached the tooth nerve, showing sharp pain in the tooth nerve, including eating pain. Especially when eating sweets, the pain will be more obvious, dental nerve is also called pulp tissue, in the innermost side of the tooth, the outside is hard dentin and cementum wrapped around, so the pain caused by dental nerve, pressure can not be relieved, pain is very serious. Sometimes toothache may also be caused by trigeminal neuralgia, such as trigeminal nerve innervation showed lesions, can also cause toothache