Why Do You Need Whitening Teeth?

How to reverse receding gums?: What is the enemy that causes tooth stains? It is extremely interesting to notice that every tooth is made up of an internal dentin layer along with a protective external enamel layer which is very much harder.

Regular food consumption stuff, smoking and coffee tend to form another layer on the enamel layer like a pellicle film. This film can be eliminated chemically as well as by scraping by a dental professional.

Brushing helps you to clean the teeth stains to some extent and you will find special abrasive toothpaste which will help further the procedure. Teeth whitening toothpastes can also be found which are effective in cleaning this kind of stains on our tooth enamel.

Our tooth enamel is porous in nature. Hydroxyapatite crystals as a microscopic hexagonal "rods" make up the enamel. The buildup of the foreign substances through the years gets into the pores and settles around the inner layer where it is extremely hard to scrape them. Though these deep stains are in fact quite harmless, they do not look nice. Therefore, to eliminate these tough stains, people seek the help of expert teeth whitening processes.

During this kind of whitening teeth processes, a bleaching chemical substance is used that is known as hydrogen peroxide or carbamide peroxide. This is contained in a tooth whitener and it triggers a chemical - instead an oxidation reaction - that have the capability to break the staining substances. The chemical substance carbamide peroxide breaks within the mouth into urea and also hydrogen peroxide. The hydrogen peroxide performs an important role in the teeth whitening procedure.

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