Teeth whitening has become a common activity for many who seek to improve their appearance, just a gentle effort might be all that's needed or for the heavy smoker, some more radical approaches. The chemistry behind teeth whitening has come a long way in recent years and there are now over 100 teeth whitening products to choose from. Reviewing them all is not possible here but let's have a look at the most popular and cost-effective methods and some of the products available:
These tend to provide the least amount of whitening activity as they are intended for long-term daily use and would suit those who just need a general "whitening upkeep" to maintain that winning smile. Abrasive toothpastes that profess to whiten teeth are not recommended by dentists at all as they damage enamel and increase the likelihood of staining in the future. Chemical based toothpaste whiteners do not have this effect but are not very effective short-term. The problem is that the chemicals are only in contact with the teeth for at most 2 minutes and this is not long enough to have an effect on the very dense enamel of the tooth. This means that only surface staining is addressed by toothpastes. The most popular brands are Colgate and Crest Whitening Toothpastes but a widely acclaimed outsider said to be effective at stain removal is toothpaste called SuperSmile.
These contain one of two chemical whiteners and are "brush-on" solutions to teeth whitening. The basis is that a paste is brushed onto the teeth, the paste then dries and remains overnight after which it is brushed off in the morning. During the night, chemicals in the paste whiten the teeth – quite a lot too!
The advantage of this method of teeth whitening is that … Read the rest