White teeth can give your confidence a boost, you are less self conscious of smiling and it makes you feel more attractive. Everyone wants a nice bright smile. White teeth are associated with youth and attractiveness and have become a desirable feature for many. A recent estimate found that one third off all Americans have tried or have inquired about teeth whitening treatments.

There are two main methods of whitening teeth. The first process involves applying a high concentration of oxidizing agent for only a short period of time. The process is usually carried out at a dentists because of this risk. You get quick results with this method but it can result in burns to the soft tissues if the procedure is not carried out properly. The procedure can often achieve between four to six shades of whitening after only one 40 minute treatment. Cost can vary between $300 and $1000.

The second method involves using a much lower concentration of the oxidizing agent. This is an at-home teeth whitening procedure and is usually more popular because it is less expensive and more convenient than the first process. Costs for these type of products are rarely more than about $35. The agent is held against the teeth using a mouth guard for several hours each day over a period of anything between 5 and 14 days. If you are going to be using the method than you should follow the treatment instructions carefully. There are many products available for this method, most of which can now be bought over the counter.

As a person get older teeth tend to become darker in color. This is a result of many factors including the changes in the mineral structure of the teeth and staining due to tobacco and foodstuffs.

Teeth whitening procedures can be quite effective but there are advantages and disadvantages with each procedure which need to be weighed up before undergoing treatment. The actual teeth whitening procedure will use a chemical like hydrogen peroxide or carbamide peroxide (the oxidizing agent) to lighten the shade of the teeth by bleaching and removing discoloration. The oxidizing agent can usual bleach stains that reside in both the enamel and dentine layers of the teeth.

Used sensibly teeth whitening products can give you the smile you always wanted. But before deciding what procedure and products you want to use you should carefully consider the pros and cons of the treatment.

Bleaching or whitening can produce some pretty dramatic improvements for those with stained teeth. It should be remembered however that not all stains respond to bleaching and that white spots (decalcifications) can become more noticeable. An effect called Rebound which is teeth losing the bleached effect over a period of a month or so has been noted in some studies on Teeth whitening. In should also be noted that some over the counter American teeth whitening products have been banned in Europe over health concerns. Hopefully this article about teeth whitening has given you the basics to make an informed choice.