White teeth are widely in many countries. Hollywood, advertising, and social media have to ultra-white teeth a must-have, and even an obsession. For decades, people have peroxide-based chemical whiteners in an attempt to a perfect set of "pearly whites". However, these chemicals can the teeth and gums. Help now at hand for those of us who stained or off-white teeth. Researchers in China say they have an effective teeth-whitening ceramic powder. Researcher Min Xing said it is "a safe, at-home teeth-whitening strategy whitening, enamel repair, and microbiome balance for long-term oral health".
The researchers about how their new powder works. It is by electric toothbrush vibrations, which a small electric field over the teeth. This a reaction known as "reactive oxygen species". These are compounds that down stain-causing molecules. The researchers said their laboratory trials very promising. They tested human teeth that were artificially with tea and coffee. After four hours of brushing, there visible whitening. After 12 hours of cleaning, the teeth were 50 per cent whiter than those with saline. The researchers said the next step is to the powder into a toothpaste formula.
