Tooth root and tongue pain may be apical inflammation, root splitting and other conditions, the tongue may have ulcers, papillitis and other diseases, the two are related or may be separate conditions, it is recommended to go to the hospital for specific examination and treatment. 1. Inflammation of teeth with caries deep into the root or inflammation of the root caused by severe periodontitis of the teeth will produce root pain. 2. A tooth with an inadvertent bite that splits the root can be painful. 3. Tongue pain may be caused by bacterial infection of the tongue causing papillitis, or local irritation or vitamin deficiency causing tongue ulcers and so on. 4 Inflammation of the root of the tooth, heavy bacterial infection, stumps often rub the tongue may be the cause of root pain and tongue pain at the same time.