The black attachments on the roots of the teeth are mostly referred to as calculus, which can be removed by supragingival scaling and subgingival scraping in regular hospitals.
Calculus is deposited on the surface of the teeth has been calcified plaque and soft tartar, once formed, brushing is not easy to remove it, only through the dentist’s professional equipment can be removed, you can through the gingival scaling, such as the use of ultrasonic scaler, the use of ultrasonic waves to break up the calculus, but also through the gingival scraping, focusing on removing the periodontal pockets of bacteria and tartar.
Daily attention should be paid to brushing teeth on time, enhance the awareness of oral hygiene, rinse the mouth after meals, for food debris that is not easy to remove, you can use dental floss to clean, regular oral examination. Specific cases should go to a regular hospital and choose the appropriate treatment under the guidance of the doctor.