A dry socket is a condition that may occur after a tooth extraction, if the blood clot that normally fills the socket is lost. The dry socket leaves underlying nerves exposed, which is very painful.To avoid dry socket, you need to follow these simple steps:Clean the extraction site as instructed by your dentist and follow all at-home instructions.Avoid sucking action spitting or using straws for the first 24 hours after the surgery.Do not smoke.Do not rinse your mouth excessively; it interferes with blood clotting.