Because I love tea, black tea is often in the morning, afternoon, Tie Guan Yin, Pu’er night. So it is likely to have tea stains on teeth. It is generally six months, will wash your teeth, but the scaling I always feel uncomfortable, and sometimes that are vulnerable to bleeding gums. Go to Japan this year to buy this product plaque, is the right of the green box diagram Too’s Smile, which is a small toothbrush bristles and a 3ML beauty of scouring liquid, about RMB200 yuan for each use only one meters in size, can be used for a long time. nbsp;