Among the more popular types of over the counter teeth whitening products are teeth whitening trays. These are usually sold together with hydrogen peroxide teeth whitening gel. A common peeve among users is that these one size fits all trays do not fit properly since people’s mouths and teeth come in different shapes and sizes. Unlike clothing where sometimes free size is acceptable in many instances such as oversized clothing is seen as a fashion statement, teeth whitening is more effective when an appropriate amount of gel is used to treat a certain level of discoloration.

Since lifestyle habits differ with everyone – some are smokers while others are coffee drinkers – what you consume and how often you consume certain high staining foods affect the condition of your teeth. As such, there are different strengths of teeth whitening gel where the higher the amount of hydrogen peroxide, the stronger the product will be in order to deal with stubborn stains. Those who do not have badly stained teeth can use hydrogen peroxide teeth whitening products with less concentration and could see positive results.

Using teeth whitening trays involve placing the tray filled with teeth whitening gel over your teeth and leaving it in for up to half an hour depending on the brand and product. This procedure usually needs to be repeated twice a day for a few weeks. Some require the tray to be left in the mouth overnight which can be a problem if the tray does not fit well. This would result in unevenly whitened teeth or teeth that look blotchy.

Others find that using ill-fitting trays causes their teeth and gums to feel sore but these problems usually go away after some time when the trays have been removed. Still, this can become a deterrent for those who are unable to accustom themselves to the discomfort.

There is an alternative to custom make better fitting teeth whitening trays which would be somewhat costly. This somewhat defeats the purpose of using affordable over the counter products instead of going for professional dental teeth whitening which is why most choose to live with mass produced trays.

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See also:
Effective Home Teeth Whitening Products
Teeth Whitening Gel FAQ
Whitening Teeth Using Teeth Whitening Gel