What is the best teeth whitening solution?

Nowadays a lot of people are very attentive towards how they look and how good they appear in front of other peoples. I live in India and the people here have always been crazy of being the most beautiful, which includes the way how they look. Face has been a very important aspect of beauty. Facial features such as eyes, nose, ears, facial skin and of course good teeth for a beautiful smile. Many kings and queens from ancient India used much kind of herbs stated in the Indian ayurveda to make their teeth dazzling white to get that adorable and most royal smile. Many those ayurvedic (herbal) remedies are still being used in India. A few of them can be stated as follows: Massaging the teeth with fine rock salt brightens them. This will help in the best teeth whitening ; massaging teeth with soda bicarbonate or baking soda also makes teeth white. Teeth whitening had since been playing an important role for a lot people to! look beautiful. Now in modern India, the ancient methods have been replaced by a lot of modern techniques of teeth whitening. A lot of people in India from different fields including high profile socialites, business tycoons, bollywood celebrities, youngsters and even common people are opting for modern and much advanced techniques of teeth whitening to look good. Nowadays lots of modern techniques are available in the global market to meet the needs of the people from around the world which also includes India. These advanced techniques can be stated as follows: bleaching of teeth, using whitening gel by applying them in a moldable mouthpiece that you "boil and bite" etc.