A pioneering new drug that could eventually help people regrow missing or damaged teeth has begun clinical trials in Japan.

In south-east Asia, betel nut chewing has been practiced since antiquity. The plants contain compounds that enhance the ...

​​The earliest direct evidence of betel nut chewing in Southeast Asia has been uncovered, dating back 4,000 years to the ...

Today in Japan, one of the most prominent representatives of the black teeth practice are geisha, and it’s not uncommon to see blackened teeth in Kyoto, Japan’s former capital, according to a ...

But numerous young Japanese women with “snaggleteeth” paid for it. “Yaeba” is Japanese for double tooth. Some Japanese men reportedly find crooked teeth endearing and attractive.