Toothache in the elderly can be caused by a variety of reasons, such as pulpitis, periapical inflammation, gingival papillitis, or cardiac toothache, to treat the cause. 1. Pulpitis, periapical inflammation: When tooth decay penetrates into the pulp cavity, pulpitis or periapical inflammation may occur, and root canal treatment is needed to remove the infected pulp before the pain gradually disappears. 2. Gingival papillitis: When the gap between the teeth is too large, food impaction may occur after eating and drinking, resulting in inflammation and redness of the gingival papillae and spontaneous pain in the teeth, which can be relieved immediately after removing the impaction. 3. Cardiogenic toothache: If there is a heart attack and cardiovascular disease, may appear after exercise cardiogenic toothache, radiating pain, can be under the guidance of the physician containing nitroglycerin to the cardiology department after consultation. Toothache in the elderly is recommended to the hospital to identify the cause of the disease, after targeted treatment, drugs need to follow the doctor’s instructions for rational application.