Smoking does not relieve toothache, there is no scientific reason or basis. The causes of toothache are many, such as wisdom teeth pericoronitis, gingivitis, periodontitis, dental caries and other causes, need to be treated by the physician according to the cause of the disease. 1. Cigarettes belong to the first class carcinogens, smoking is not good for the human body, so there is no smoking to relieve toothache. On the contrary, if you smoke during a toothache, because tobacco contains nicotine and other carcinogens, it can aggravate the symptoms of toothache or the condition is not conducive to recovery. 2. If due to wisdom teeth pericoronitis, gingivitis, periodontitis, can be localized under the guidance of the physician and the application of amoxicillin capsules, metronidazole tablets and other antibacterial drugs to treat, and at the same time to maintain oral hygiene; if due to dental caries, can be closed through the grooves, inlay restoration, composite resin direct bonding restoration and other methods to treat. Need to go to the hospital stomatology department, by the physician according to the cause of treatment, they can not just randomly use drugs. Smoking is harmful to oral and general health, so it is recommended to quit smoking.