Black stains in the crevices of teeth are usually caused by tartar buildup and require periodontal scaling to remove. It may also be caused by dental caries, which needs to be removed with instruments and filled with dental tissues.
1. Caused by tartar buildup: Black stains in the crevices of the teeth can be shocked down from the surface of the teeth by using ultrasonic instruments or scraped down from the surface of the teeth by using hand instruments if the stains are caused by tartar.
2. Caused by caries: If the teeth adjacent to the caries will cause the gap into the black, accompanied by the accumulation of food debris. It is necessary to use a special instrument to abrade the decayed part of the tooth and then fill it with resin.
It is recommended that patients should go to the hospital in time to avoid further damage to the periodontal and dental tissues.