Among the best dental teeth whitening products is whitening gel. This comes in many forms of packaging. Commonly though, the gel is used as part of a mixture squeezed onto a dental tray that is fitted over teeth for a certain length of time, depending on each product's formula. Some dental trays can be molded using hot water to make it pliable to fit teeth better so that the whitening gel comes into better contact with teeth surface to ensure the chemical reaction takes place.
Since this procedure can be a little messy and rather uncomfortable, some prefer the convenience of teeth whitening trays. However such strips are often difficult to keep in place as they get wet and slide out of position when the gel is diluted by saliva.
There are also teeth whitening pens that dispense gel like using a pen. The advantage of this is that the tip of the pen can get into hard to reach crevices and uneven surface to achieve better gel distribution. Plus it's handy to carry around so you can apply the gel on the go.
In addition, there are also other kinds of applicators such as cotton buds that contain the gel in the stem which let you do more precise gel application onto teeth.
Which ever type of product you choose, you need to manage your expectations of achieving whitened teeth and know that even if you manage to whiten teeth to your satisfaction, they will stain over time due to the food and drink. That said, because professional dentist teeth whitening cost is very high, there will always be a market for over the counter products.
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