Posts Tagged: ‘teeth’

In 1873, the empress of Japan made a radical beauty statement, appearing in public with white teeth…

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For about $400, cosmetic dentists affix fake pointy teeth called yaeba, translated ‘double teeth,’ that creates an illusion of having crowded baby teeth, a.k.a. snaggleteeth. Fang-like teeth are considered cute and girlish in contemporary Japanese culture, and one of the dentists who first began performing the procedure also has pushed for its popularization by creating an all-girl, snaggletooth pop group TYB48, or Tseuke-Yaeba 48.

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You Asked: How are we able to speak? — Mudabir, Iahore, Pakistan Marshall Brain Answers: First a little anatomy. You have your lungs. The lungs connect to the wind pipe or trachea. At the top of the trachea is the larynx, also known as the voice box. The larynx is visible in the form of […]

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Our bodies possess remarkable natural healing capabilities. Throw in a little modern medical science and our ability to bounce back from an injury looks even better. Broken bones fuse back together. Ageing eyes return to 20/20 vision. With a few snips, a doctor can even re-string a major-league pitcher’s throwing arm. When it comes to our teeth, however, our options are far more limited. Lose an adult tooth and there’s no growing it back.

But is there another way? According to a BBC science article, a team of U.S. scientists at Oregon State University may have discovered the key to growing new teeth in a laboratory. They successfully pinpointed a gene in mice responsible for the production of the hard, enamel coating that give our chompers their bite. In addition to playing a role in nerve and skin development, the Ctip2 gene plays a key role in the production of ameloblasts, the cells that secrete enamel.

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Cavities are formed by bacteria that excrete an acid onto the enamel of a tooth. Learn more about cavities and bacteria in this HowStuffWorks podcast.

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