The tongue is still numb on the second day after tooth extraction, which may be caused by the anesthetic effect has not passed, lingual nerve damage and other reasons. 1. Anesthetic effect has not passed: the anesthetic has not completely disappeared, in the extraction of teeth, anesthesia is the scope of the inferior alveolar nerve, buccal nerve and lingual nerve, generally before the extraction of teeth to check the tip of the tongue of the patient there is no numbness, the tongue will generally continue to be numb for a few hours after the extraction of the tongue after the extraction of teeth the next day tongue is still numb, it is recommended that the timely to the hospital to consult the doctors under the direction of the standardized treatment. 2. Tongue nerve injury: when removing teeth, due to the teeth close to the tongue, in the cut or dislocation, may cause damage to the tongue nerve, or tooth root fracture compression of the nerve, you can follow the doctor’s instructions to use methylcobalamin tablets, vitamin B12 and other drugs for treatment, in general is also able to recover. The tongue is still numb on the second day after tooth extraction, and if it is more than one day, you should go to the hospital in time, and standardize the treatment under the guidance of the doctor.