To show teeth whitening.
Tooth teeth are beautiful, smile is more beautiful.
Everyone wants whitish teeth, negligence in care. Nehat in danger, until he goes to the dentist, they do not understand the importance of the matter. If you are a little aware and can make some practice through regular practice, you can laugh a healthy smile of healthy-vigorous teeth. And there is a bad smell coming out of the mouth - it's not a good thing to hear it. If you are not aware of teeth, it may be awkward to see teeth. Likewise, it can be a source of bad odor.