More and more people who want to look their best at all times are asking their dentists about whitening or bleaching their teeth. After all, when you have a bright smile, you’re showing the world that you are youthful and charming. And a dazzling white smile can open a number of doors.

In fact, many movie and television celebrities pay surprising amounts of money to keep their teeth white. Nothing can be a bigger turn off than a mouth full of yellow, stained teeth.

You may remember how white your teeth were when you were a child. Unfortunately, as we grow older, the amount of minerals in our teeth begins to change and we lose that beautiful white appearance. The everyday items that come into contact with your teeth can also cause discoloration. Tobacco, for example, is a major cause of color change, as is pigmentation from bacteria.

Tooth whitening treatments can remove these stains and restore your teeth to a brighter color. Occasionally, health concerns make it necessary to have one’s teeth whitened. Caustic or damaging stains can cause tooth enamel to weaken if they are not removed.

Whether you have it done for cosmetic reasons or health reasons, tooth whitening is accomplished the same way, through the use of oxidizing agents such as hydrogen peroxide. Oxidizing agents work like the bleach you use on your clothes, reacting with the tooth enamel in order to remove the stains. The more often the bleaching is done, the further into the dentine layer the oxidizing agent will be able to travel.

When teeth are whitened at the dentist’s office, the dentist spreads a layer of the oxidizing agent to the teeth. This agent is stronger than what is commonly found in at-home kits and produces more dramatic results when rinsed away. It is important to keep in mind that neither of these methods is completely safe. When you are finished, you will have the bright white smile that many Hollywood celebrities enjoy.

Teeth whitening procedures have been updated, and now dentists can use a special light to speed along the whitening process. Known as light-activated bleaching, this procedure is still relatively new and hadn’t been studied thoroughly. But once it’s perfected, this method is going to make the whole process speedier and safer, and essentially revolutionize teeth whitening.

The hazards of teeth whitening that need further study are related to tooth sensitivity, chemical burns, over-bleaching, and the early diminishing of the whitening effect.

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