English
Use an interdental brush to remove food particles before brushing. You can't see the small things stuck between your teeth, but you need to clean them thoroughly to prevent tartar buildup.
치아사이 끼어있는건 칫솔질로 잘 안되니 사이치간치실 잘하셨네요
작은것들 많이 끼여있네여 매일저녁 빼주는 작업 한답니다
