After cleaning teeth is not allowed to smoke, and usually should not smoke, smoking is harmful to health. If the teeth have just been cleaned, the gums may have some small wounds, at this time can not be exposed to irritating substances. In addition, smoking will make the teeth yellow, just after cleaning the teeth are prone to pigmentation, so that cleaning can not achieve the desired effect. Smoking is easy to damage periodontal health, easy to cause dental caries, gingivitis, periodontitis, etc., and will cause damage to the respiratory system, cardiovascular system, etc., triggering malignant diseases and so on. Therefore, no matter when you should not smoke, smokers should quit smoking as soon as possible. If there is an abnormal phenomenon of teeth after scaling, you should go to the hospital in time.