Has your once perfect marble white smile
 started going off colored, turning into an ivory or yellow shade and 
brown stains have started accumulating on the surface of your teeth? And
 going to the dentist very often has become quite a costly and time 
consuming affair? Well now thanks to teeth whitening kits it is possible
 to achieve that white smile that will catch everyone’s eye and keep the
 attention focused on you.
Browning 
and staining of the teeth is generally caused by certain foods and 
drinks like coffee, tea, colas, wines, and certain fruits and vegetables
 for example, apples and potatoes; Smoking or chewing tobacco can stain 
teeth. Several diseases can have an effect on the color of your teeth as
 well as treatments, medications and age advancing.
Dental
 bleaching, also known as tooth whitening, is a common procedure in 
general dentistry. According to the FDA, whitening restores natural 
tooth color and bleaching whitens beyond the natural color. The teeth whitening
 procedure has become the most requested procedure in cosmetic dentistry
 today. More than 100 million Americans whiten their teeth one way or 
another; spending an estimated $15 billion in 2010.
There are many methods available, such as brushing, teeth bleaching strips, teeth bleaching pen, teeth bleaching gel, and laser bleaching.
Brushing, there are now many special tooth pastes that aim at tooth whitening.
Bleaching
 gel, Whitening gels which contain Carbamide peroxide are perfect for 
stained teeth as the chemicals they contain react with the stains and 
remove them by releasing free radicals that fight the stain. In unison 
with the gel tray systems two plastic trays which fit onto the top and 
bottom teeth can be used. This system is used by filling the trays with 
the gel and fitting them onto the top and bottom jaw and usually left in
 overnight, depending on the type of gel purchased. Some need longer 
than others according to the amount of Carbamide peroxide they contain.






