Teeth Whitening Top 3

Won’t Whitening Toothpastes Be Enough?

Most people agree that a good set of perfectly white teeth can grab attention and earn admiring glances. This is why teeth-whitening has become a billion-dollar cosmetic industry. Some pay hundreds of bucks for dentist-supervised teeth whitening and thousands more for cosmetic teeth surgery.

As for people with tight budgets, they go for over-the-counter solutions. But what about whitening toothpastes? Couldn’t these cheap alternatives do the job? The answer would depend on the extent of staining and discoloration that you have on your teeth.

A toothpaste’s basic ingredients are detergent and abrasives. Yes, folks, detergent (a.k.a. soap) is in your toothpaste. Soap cleans, and when you brush your teeth, you use a material that cleans – that’s soap.

The typical soap used in toothpastes goes by the long name sodium lauryl sulfate. As for abrasives, there are many abrasives that can be used, such as precipitated calcium carbonate, insoluble sodium metaphosphate, calcium hydrogen phosphate, titanium dioxide, hydrated alumina, and hydrated silica.

All their names are a mouthful, if you’re not a chemist. The essential thing to remember is that abrasives, mixed in the soap, are supposed to be hard enough to clean the teeth, but not too hard to keep the enamel intact.

Each tooth is naturally made up of two layers, the inner dentin layer and the outer enamel layer. But, because of eating, drinking, and smoking (for some people), another layer, called pellicle film, covers the enamel. This pellicle film is the layer that is easily discolored.

A toothbrush, with toothpaste, knocks off parts of the pellicle layer so that the natural whiteness of your enamel will show through. The whitening toothpaste works especially hard on this pellicle layer.

Whitening toothpastes simply contain more abrasives than regular ones. This means that it can remove more pellicle film particles. This is the sole secret of whitening toothpastes. The “whitening agents” bragged about in advertisements refer to the abrasives.

Toothpastes with fluoride only help by preventing tooth decay. Enamel is easily decayed by acid (from colas) and its natural material, hydroxyapatite, is porous. The fluoride mixes with enamel, forming fluorapatite. This is a much stronger substance and can prevent tooth decay.

For many people, especially the children, whitening toothpastes are enough to whiten the teeth. But if the discoloration is found deeper in the enamel, then whitening toothpastes won’t work. The teeth must be bleached and you will probably need veneers, the white material placed over discolored teeth, that work like the make-up concealers you apply to cover dark eye bags.

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