Gene that could give you a set of these without seeing a dentist's chair

The days of whining drills and shrieking patients that can make a trip to the dentist an experience to dread may be numbered, according to scientists who claim that they may have found a way to regrow rotting teeth.Researchers studying tooth development have singled out a gene that controls the growth of enamel, the hard outer layer of teeth, which cannot grow back naturally once it is damaged by tooth decay. The discovery sheds fresh light on the way teeth form and could pave the way for new dental treatments that heal decayed teeth by regenerating a layer of enamel, making traditional drilling and filling obsolete.Scientists at Oregon State University found the gene after noticing that mice born without it grew teeth with no enamel covering.Tooth enamel is the hardest tissue in the body and begins to form when humans are still embryos. Specialised cells called ameloblasts in the tooth...

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