Wisdom teeth fell out inside a small pox, may be related to local polyps, buccal mucosa redundancy, gingival swelling and other diseases. 1. Local polyps: Wisdom teeth are the third permanent human molar, often due to insufficient space for eruption and obstruction, easily embedded food and caries, pulp necrosis. Long-term chronic stimulation will form pulp polyps or gingival polyps, wisdom teeth fall out can be manifested as a small pox inside. 2. Buccal mucous membrane superfluous organisms: when the wisdom tooth obstruction or misplaced eruption, upper and lower occlusal disorders, resulting in the buccal mucous membrane is repeatedly bitten to form a chronic inflammatory hyperplasia, the formation of superfluous organisms, when the wisdom teeth fell out of the manifestation for the inside of a small pox. 3. Gingival swelling: when wisdom teeth erupt incompletely or obstruction, there is often a blind pocket, food, bacteria easily embedded in the blind pocket. Wisdom teeth crown gums due to bite food and damage, the formation of erosion, repeated stimulation can form a local gum swelling. It can be manifested as a small pox inside the wisdom teeth fell out. Wisdom teeth fell inside a small pox may have other causes, should be timely medical care, improve the examination, clear cause and diagnosis, in the guidance of a professional physician standardized treatment.