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Teeth Whitening Why You Need It

Tooth whitening, also known as dental bleaching is very commonly known in the general dentistry and cosmetic dentistry

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Why teeth whitening? As a child, most of us start out with sparkling white teeth as they are protected by very strong, porcelain-like enamel, which is composed of microscopic crystalline rods. It acts as a protective barrier by actively protecting teeth from the effects of gnashing, chewing, trauma and acid attacks caused by sugar. Unfortunately, due to constant daily stress and the stress of time, this precious enamel slowly wears away, becoming more translucent. As a result, this would ultimately permit the yellow colour of dentin, which is the tooths core material to show through. Moreover, due to routine chewing, while dentin remains intact, millions of micro-cracks occur in the enamel over the years. These cracks are gradually filled up with excess debris, allowing stains to form and causing cavities. Stains are formed by tobacco, foodstuffs and bacterial pigments. In addition, some antibiotic medications can also cause teeth stains. As a result, teeth would eventually develop a dull, lackluster appearance.

While taking good care of your teeth and using proper teeth whitening techniques can help remove plague build-up and stains, teeth whitening would leave the enamel cracks open and exposed. While some of the cracks are quickly re-mineralized by saliva, others are yet again filled up with organic debris. Regardless of this less-convincing point, teeth whitening works! Why teeth whitening? Whether in the form of an expensive one-hour bleaching session at a dentists office or do-it-yourself bleaching kits purchased at local drugstores, most people who opt for this cosmetic treatment can see moderate to substantial improvement in the brightness of their smile. Unfortunately, teeth whitening only provide a temporary solution to the problem; it is not permanent and requires consistent maintenance for a prolonged effect.

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