Teeth Whitening is referred to as Teeth Bleaching when using bleach, it is a procedure of restoring the teeth shade to original level or whitening beyond the natural level. Restoration in done by simply the process of removing stains on the teeth caused by factors, stainers like the coffee, tea, tobacco & red wine. The restoration is achieved by various oral hygiene methods by the dental professional or at home. Things like calculus & tartar are very difficult to remove without the help of dental professional. Teeth bleaching make use of hydrogen peroxide or carbamide peroxide that can break down in hydrogen peroxide.