How could I tell if I have dry socket?

BLOOD CLOT. After an extraction if a blood clot is not present in the extraction socket and the area is "bone dry" than you have a dry socket which is very painful. A dry socket paste now indicated along with saline irrigation .
Pain. Throbbing pain and a bad odor from the extraction site about two to three days after the extraction are the usual symptoms. Usually results as a result of the blood clot breaking . See your dentist to have it treated.