Teeth whitening, also known as dental bleaching or tooth whitening is a very common cosmetic dentistry procedure. There is a small difference between whitening and bleaching – bleaching is used to whiten teeth beyond their natural color while whitening restores the natural color of the teeth. In 2010, more than 100 million teeth whitening procedures were performed in the USA alone, making it one of the most popular cosmetic dentistry procedures in the world.
Dental bleaching can be applied through different techniques:
● Teeth whitening laser
● Teeth whitening gel
● Bleaching pen
● Teeth whitening strips
Dental bleaching uses hydrogen peroxide or carbamide peroxide to whiten or bleach the teeth. This special solution infiltrates the teeth’s enamel and breaks away any stains.
What causes teeth stains?
Teeth can become stained due to bacterial pigments, color drinks such as wine, tea, coffee, and coca cola. Other teeth stain causes include:
● Genetic factors
● Tetracycline-based antibacterial drugs
● Enamel hypoplasia
● Poor oral hygiene
● The natural aging process
● Chlorhexidine – this substance is often used in toothpaste and mouthwash
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