The darker tissue of your teeth, the dentin, can become exposed as the outer layer of enamel is worn away by the effects of aging or things like caffeine and tobacco.
Food particles are naturally attracted to a tooth’s enamel by a certain protein. Products like coffee and tea, berries and soy sauce are notorious for staining teeth. Over time, teeth actually become more absorbent and vulnerable to staining from food and other substances.
One type of stain—caused by traumatic injuries, medications, and fluorosis—actually begins inside the tooth; brushing and flossing don’t help. Another type of stain—one that can be more easily attacked by brushing, flossing and rinsing—is caused by external factors such as foods.
Some commercially available “whitening toothpaste” can be somewhat effective at removing stains and making teeth a few shades brighter. However, many of these products have abrasive substances that can actually wear away your tooth’s enamel.
So, there are more and more people here today are choosing dental whitening procedures to reverse the effects of aging and abuse from food and tobacco stains. There is no doubt that using dental led whitening lamp is a more scientific method for us.
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Dental tips 