White Teeth History

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The idea of having perfectly white teeth has been an issue almost everyone has encountered before. There have always been different remedies for getting your teeth the whitest with one of the newest inventions being whitening strips. There are four main parts of the tooth: there is the enamel that “makes up the protective outer surface of the crown of the tooth.” (Overman, Vickie) The crown is a tooth shaped cap that is over the tooth. Then there is the dentin and that “makes up the majority of the inner surface of the tooth.” (Overman, Vickie) The pulp is the place that holds the nerves and blood vessels to the inside of the tooth. Lastly, the cementum makes most of the outer surface of the root, but this is softer than the enamel. The bulk of the tooth consists of dentin. Dentin is a substance that is kind of like bone but it is harder. Covering the dentin is a tough durable layer named the enamel. “Enamel is composed of calcium phosphate and…show more content…
Hydrogen peroxide has been used for several different things such as for minor cuts and wounds. Also, hydrogen peroxide is not very different from water the only difference is that it has two more oxygen molecules. According to a NYC cosmetic dentist, he says that “I definitely use Hydrogen Peroxide in a variety of ways -- generally in the areas of teeth whitening. To start, Hydrogen Peroxide is a bleaching agent, and can absolutely help in whitening teeth. In fact, many over-the-counter tooth whitening products have a good amount of Hydrogen Peroxide -- sometimes as much as 10 percent” (Connelly, Thomas). But with these whitening strips comes a problem not for all users, but certainly for some. The main side effect is tooth sensitivity and gum irritation. Whitening strips usually start to show results in a matter of few days, which is very significant because people want quick
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