Gums always rise dental calculus, consider that it is not pay attention to oral hygiene, oral injury infection, saliva viscosity increased and other reasons, suggest timely visit the hospital to clarify the cause. Calculus refers to the calcified or calcified plaque and soft scale, deposited on the surface of the teeth or restorations. The surface of dental calculus is covered with a large amount of plaque, which is not easy to be removed by brushing after formation and needs to be cleaned professionally. If not treated in time, it may lead to gingivitis, periodontitis, loose teeth and other problems. 1. Not paying attention to oral hygiene: If you don’t pay attention to oral hygiene, it is easy to lead to the growth of bacteria in the mouth, and plaque will be formed in the mouth, which makes the possibility of dental calculus increase. 2. Oral injury and infection: If there is oral injury and infection, the inorganic salts in the oral saliva will be easily deposited and the risk of dental calculus will increase. 3. Increased salivary viscosity: If the salivary viscosity increases, the mucus in the mouth is easily deposited on the surface of the teeth, which may lead to the formation of dental calculus. If you feel unwell, you should go to the hospital in time to avoid delaying your condition or triggering adverse reactions.