Cavity.Scared of your dentist's drill Noun 1. dentist's drill - a high speed drill that dentists use to cut into teeth burr drill bur, burr - small bit used in dentistry or surgery ? Good news: A novel procedure can eliminate cavities--painlessly. A device called HealOzone bathes teeth with ozone--a molecule (particle of two or more atoms, the smallest units of an element, joined together) containing three oxygen atoms. The ozone kills cavity-causing bacteria. Then, a special mouthwash mouthwash /mouth·wash/ (mouth´wosh) a solution for rinsing the mouth. mouth·wash n. A medicated liquid for cleaning the mouth and treating diseased mucous membranes. helps slowly rebuild the tooth. Since ground level ozone pollutes the air, the device converts the ozone into safe molecules after the procedure. Already used in Canada, Europe, and Australia, HealOzone should hit American dental offices in 2007. But keep brushing: Ozone may not be able to treat have severely damaged a tooth. "It's not a cavity cure-all," says Dr. Jerry Gordon, a dentist in Pennsylvania. Did You Know? * Your first set of teeth contains 20 chompers. Adult humans sport 32 teeth. * The material that makes up the outermost out·er·most adj. Most distant from the center or inside; outmost. outermost Adjective furthest from the centre or middle Adj. 1. layer of teeth, called enamel, is the hardest substance in the human body. Resources * Learn all about your teeth and what causes tooth decay Tooth Decay Definition Tooth decay, which is also called dental cavities or dental caries, is the destruction of the outer surface (enamel) of a tooth. at this BBC BBC in full British Broadcasting Corp. Publicly financed broadcasting system in Britain. A private company at its founding in 1922, it was replaced by a public corporation under royal charter in 1927. Web site: www.bbc.co.uk/science/humanbody/body/factfiles/teeth/teeth.shtm * Discover fun facts about teeth, and play games to learn how to better care for them at: www.adha.org/kidstuff/ * Visit this Web site to learn more about ozone pollution and how your everyday activities can affect levels of the gas in the air: www.smogcity.com/ |
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