Tartar can generally be eliminated by careful brushing. 1. In the teeth attached to the food debris, bacteria can reproduce, saliva in the calcium and phosphorus will be deposited here, in the calcium and phosphorus has not been sufficiently sedimented, will form a soft tartar, when the calcium and phosphorus deposition shape hard as a rocky block, called tartar. 2. Tartar, tartar not only leads to oral uncleanliness, bad breath, etc., but also an important cause of dental inflammation and periodontal disease. 3. Tartar can be eliminated by careful brushing, and the soft tartar in the crevices of the teeth can be removed by flossing. Tartar, on the other hand, is very hard and attaches to the teeth, making it difficult to remove on your own, so it is best to go to the dentist at least twice a year for treatment. The way to prevent tartar is to brush your teeth right after meals, paying special attention to the spaces between your teeth. It should be noted that you should avoid using things such as hairpins to pin your teeth and gums, as this will only damage the gums and will not have any effect.