Tartar is a hard, yellowish-white or yellowish-brown substance that is often bonded to the neck of the tooth, and it is recommended that anyone who suspects that they have tartar should go to the hospital in time for a checkup.
Under normal circumstances, the crown of the tooth erupts in the mouth, and the root is covered by the alveolar bone and gums, so the naked eye sees a white crown and red gums. The first place where calculus is deposited is often the lingual side of the lower front teeth where brushing is not in place, and the doctor can find yellowish-white hard substances on the lingual side of the teeth during the examination, and black coloration in patients who smoke or who have been taking a high level of pigmented substances such as coffee for a long period of time.
The deposition of dental calculus is a long-term process, the correct way of brushing is to reduce the deposition of the key, in addition, it is recommended to go to the hospital regularly every 6 to 12 months to clean the teeth once, prevention and treatment of periodontal disease.