If plaque and tartar caused by bad eating habits or unclean oral hygiene habits, it is recommended that you go to the hospital stomatology department to clean your teeth, brushing is not brushed off.
If it is fluorosis, tetracycline teeth scaling is very difficult to wash white, you can do teeth bleaching. There are also light-curing resin whitening repair, porcelain veneer repair .... All can make teeth whitening and beautiful.
To develop good eating habits, pay more attention to the cleaning of oral hygiene. For example, after eating sugar, snacks to rinse with water; morning and evening brushing, remember to brush carefully yo; eat more crude fiber, coarse grain food ..... Of course, you should also go to the hospital regularly to do oral care.