After removing wisdom teeth, dry socket can occur and can be an extremely painful, unpleasant condition, although only temporary. If lower wisdom teeth have been lost, it is more likely to occur rather than the higher ones. Fortunately, it affects fewer than 5 percent of patients, but steps can be taken to avoid it.
A socket is just a hole in the bone that extracted the tooth. It will fill with blood that will then clot and protect the underlying bone and nerves until healing occurs. For healing, the blood clot is essential. This can lead to a dry socket if the blood clot is dislodged.
What occurs then is the exposure of the bone and nerves to dust and food particles, bacteria and saliva that can be in the place where the blood clot is meant to be.
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