All that glitters are not gold! Same way all your white teeth are not healthy and vice versa. Moreover a healthy adult tooth is yellowish white in color. So before you want to whiten your teeth, think twice. If your answer is still yes...glance through! Know about the stains in your teeth! Stains in your teeth can be external or internal. External stain due to beverages External stains can be due to plaque build-up, tobacco, beverages (tea, coffee) Internal stain- fluorosis Internal stains are hard to remove. They can be due to fluorosis, any defects in development of teeth (dentinogenesis imperfecta, amelogenesis imperfecta), dental decay or trauma. How to remove these stains? As in any process, the first step would be to decide the cause. This can be done by taking proper history and evaluation of teeth. Usually whitening of lower teeth is not required. Because they are covered by lower lip while speaking. Teeth whit...