teeth whitening

People in Europe 200 years ago homemade toothpaste, bleached with acid and encouraged brushing 5 times a day.

Most people use brushes, toothpaste and floss to clean teeth, but many parts of the world do not use them.

Some foods and drinks can cause your teeth to stain and tarnish. And conversely, there are also foods and drinks that help you own a brighter, brighter smile.

Japanese scientists have successfully built an ultra-thin patch capable of covering, protecting teeth from decay and whitening teeth, according to AFP news on September 16. P