What is pain in the mouth?

If the mouth shows pain, to consider the following aspects, the first aspect is caused by tooth pain, the second aspect to consider is caused by local mucosal pain. Tooth pain problem, more common is due to some caries embedded food, or caries caused by some sensitive symptoms of pain phenomenon. More severe cases of nerve invasion show spontaneous pain, or teeth dare not bite, resulting in periapical abscess or apical inflammation, which are some of the most common problems. Wisdom teeth pericoronitis can also cause some pain. Mucosa some pain phenomenon, the most common is ulcer after showing oral ulcer, local mucosa will show a kind of irritating change, this pain will last for a period of time, so also consider whether it is lichen planus, or mucosa shows a certain inflammation red swelling caused by this situation, need to carry out clinical examination, timely symptomatic treatment.