Tartar is smelly when you can’t brush your teeth clean and can be removed with a dental cleaning. Tartar is the dirt attached to the crown of the teeth, teeth gap, generally refers to plaque. Plaque poses a hazard to the teeth and gums and can easily cause caries and periodontal disease, as well as bad breath. Plaque cannot be completely removed by brushing, so it is recommended that you have your teeth cleaned at least once a year to remove it completely. Scaling refers to the use of instruments to remove tartar, plaque and stains on the gums, which can delay plaque redeposition and prevent oral diseases. If you have periodontal disease, you can increase the frequency of scaling appropriately. After scaling, you should develop good living habits, brush your teeth on time every day, and rinse your mouth more often after meals, which can prevent plaque. At the same time, you can also learn to use dental floss, which can clean the plaque on the neighboring surface of the teeth, and the effect is better. Teeth brushing is not clean with tartar is very smelly, you should go to the local regular hospital, with the doctor for scaling and other operations.