The pain around the tooth loss for a long time may be caused by infection, gingivitis, tooth residue, etc., and need to be treated according to the cause of the disease using drugs, surgical incision and other ways. 1. Infection: after the teeth fall out of the gums will leave a wound, if not good hygiene and care work, the wound by bacteria, viruses will cause inflammation, resulting in pain, swelling and other conditions, the need for timely medical rinsing and medication, while complying with the doctor’s orders to use metronidazole, amoxicillin and other drugs for anti-infective treatment. 2. Gingivitis: is also a more common oral disease, such as just happened to occur in the place of tooth loss, patients will also appear pain, this time you need to rinse the medicine, maintain oral hygiene, generally can relieve pain. 3. Teeth residue: If the teeth are not completely fall out, residual in the gums, will continue to stimulate the soft tissue and thus cause pain, it is recommended to timely cut the residual tissue removal, and then take amoxicillin and other drugs to do a good job of anti-infective treatment can be. After the tooth falls out, you need to do a good job of oral care, to avoid infection, such as pain is obvious or long duration, you need timely treatment. The medication needs to follow the doctor’s instructions.