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White teeth are
revered in many countries. Hollywood,
, and social media have helped to make
-white teeth a must-have, and even an
. For decades, people have used peroxide-based chemical whiteners in an attempt to get a
set of "pearly whites". However, these chemicals can damage the teeth and
. Help is now at
for those of us who have stained or off-white teeth. Researchers in China say they have created an effective teeth-whitening ceramic powder. Researcher Min Xing said it is "a
, at-home teeth-whitening strategy integrating whitening, enamel repair, and microbiome
for long-term oral
".