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Essay / Teeth Whitening - 931
In the past, only movie stars had blindingly white teeth. Today, cosmetic dentistry has become ordinary. Cosmetic dentistry has become a billion-dollar industry. As thousands of Americans dip their teeth into chemical-filled whitening trays, consumers are wondering: Is this trend safe? The first successful method of whitening discolored teeth was created by Dr. James Truman in 1864. It essentially involves releasing chlorine in the form of chlorinated lime by adding a weak solution of acetic, tartaric or oxalic acid. “One method involves saturating the entire canal and pulp chamber with acid before inserting the chlorinated lime; another consists of plunging the instrument into the weak acid solution, then into lime, and packing it quickly into the cavity; and yet another is to make a paste using distilled water, put it into the tooth, and then apply a stronger acid solution by means of a cotton ball wrapped around the tip used. (UK Cosmetic Dentists) This method is repeated every two to three days until the required shade is achieved. Once the desired color has been achieved, the tooth must be filled with a material which, through its antiseptic and coagulant qualities, will prevent future decay. Another method of teeth whitening using chlorine was invented by Dr. Wright of Richmond, Virginia. continuous flow of chlorine gas previously prepared in the laboratory. This was very effective and rapid in its action but the device and the difficulty of preparing the gas were obstacles which prevented its general adoption and it was abandoned. This invention of whitening has come a long way from a simple toothbrush and toothpaste for a white smile. Teeth whitening is a painless method p...... middle of paper ...... February 20, 2011, from http://ezinearticles.com/?Pros-¬and-¬Cons-¬of-¬ Teeth-¬Whitening&id=121357Dental Teeth Whitening - Biolase, Britesmile, Zoom, Cosmetic Dentistry Guide. "Cosmetic Dentistry Information, UK Cosmetic Dentist Cost Guide. 2008. Web. February 21, 2011. .Pros and Cons of Teeth Whitening. Article Directory - Free Articles - ArticleGold. June 1, 2007. The web. February 21, 2011. Morris, SJ (September 29, 2010). A-¬Brief--Review&id=5118850Knoppler, M. (2010)..