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Scientists discover why teeth form in a single row

( -- A system of opposing genetic forces determines why mammals develop a single row of teeth, while sharks sport several, according to a study published today in the journal Science. When completely understood, ...

dateFeb 26, 2009 in Genetics
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New evidence on how fluoride fights tooth decay

In an advance toward solving a 50-year-old mystery, scientists are reporting new evidence on how the fluoride in drinking water, toothpastes, mouth rinses and other oral-care products prevents tooth decay. Their report appears ...

dateMay 01, 2013 in Biochemistry
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Iceman Otzi had bad teeth

For the first time, researchers from the Centre for Evolutionary Medicine at the University of Zurich together with colleagues abroad have been able to provide evidence of periodontitis, tooth decay and accident-related dental ...

dateApr 09, 2013 in Archaeology & Fossils
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