Vērtējums:
Publicēts: 02.01.1997.
Valoda: Angļu
Līmenis: Vidusskolas
Literatūras saraksts: Nav
Atsauces: Nav
  • Eseja 'Fluoridation', 1.
  • Eseja 'Fluoridation', 2.
  • Eseja 'Fluoridation', 3.
Darba fragmentsAizvērt

Detailed paper about the risks and benifits of community water fluoridation -
In 1931 at the University of Arizona Agricultural Experiment Station M. C. Smith, E. M.
Lantz, and H. V. Smith discovered that when given drinking water supplied with fluorine,
rats would develop tooth defects. Further testing by H. T. Dean and E. Elove of the
United States Public Health Service confirmed this report, and stated that what is known
as mottled tooth. Mottled tooth is a condition in which white spots develop on the back
teeth. Gradually the white spots get darker and darker until the tooth is er…

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