The white rotting stuff in the socket after tooth extraction is the pseudomembrane or a small amount of food residue produced during the wound healing process, which generally does not require special treatment.
The white stuff in the socket after tooth extraction is mainly the fibrous connective tissue produced after the blood clot mechanization, that is, the newborn pseudomembrane; this tissue is conducive to the healing of the tooth extraction wound, similar to the formation of the skin wound healing process of the blood crust, will play a certain role in the protection of the wound.
This white pseudomembrane will be absorbed in about one to two weeks; however, during this period, do not destroy the pseudomembrane artificially, such as rinsing the mouth, brushing it off with a toothbrush, or licking it off with the tongue, in order to avoid slow healing and bleeding, or even infection.