The teeth whitening procedure or teeth bleaching process is a very technique sensitive process which should be carried by a dentist to avoid permanent damage to your teeth. This process of lightening the colour of the teeth is generally recommended for individuals having yellowish or brownish stains or to brighten your existing smile. Laser teeth whitening or zoom teeth whitening is carried out to provide a safe process in a quick time. Commercially available teeth whitening kit \teeth whitening pen \ Teeth Whitening gel / Teeth Whitening strips / Teeth Whitening paste may cause excessive sensitivity and trauma to the gums if not used properly