You can’t clean your teeth at home to remove calculus. 1. The calculus is adhered to the surface of the plaque and soft tartar in the saliva of mineral salts under the action of mineralization and become, its hard texture, and the surface of the teeth bonded tightly, can not be removed by gargling and brushing, need to go to the hospital for ultrasonic scaling or manual scraping in order to remove. 2. Dental scaling is mainly through the ultrasonic vibration, cavitation and rinsing effect to remove the calculus clean, and then polished, as far as possible to make its surface smooth. In addition, it is important to note that scaling is not a permanent solution, as calculus is constantly forming, so regular scaling is needed in conjunction with daily oral maintenance. It is recommended that regular scaling be done every 6 to 12 months, regular brushing is used on weekdays, morning and evening brushing, and if you suffer from oral diseases, you need to be treated under the guidance of a doctor.