You have problems with yellow bad looking teeth? You are afraid to smile because people will see your stained teeth? Then don't freak out because any problem can be resolved, even this one. There are many great teeth whitening techniques that can bring back your beautiful smile. What you should ask your self is why you end up in this situation. There are numerous factors that lead to bad colored teeth. If you don't know them and you don't do anything to avoid them you will frequently need teeth whitening cosmetic dentistry procedures. First of all the most common causes of yellow teeth are dark foods, tobacco and coffee. You should try to prevent this nasty situation, by following a stain proof eating plan. Try to reduce as much as you can drinking coffee, tea, cola, red wine, grape juice. They are very harmful for your teeth color. Surprisingly, one of the worst drinks for your teeth is tea. Instead of this drinks i have spoke about above try to drink more water, grapefruit juice, white wine vinegar There are some easy teeth whitening methods that you can use at home. Try to use a good whitening toothpaste, gel or strips. For maximum efficiency try not to drink any dark liquids or eat any dark food after you used the products above. As i said before smoking is one of the most nocive elements for your teeth. If you have a little will, you could stop smoking and prevent your teeth from becoming yellow and ugly. Also if you stop smoking is very good for your lungs. If you think about having an oral piercing I would advice you not to. Having a metal in your mouth all day long can be quite harmful for your teeth. Another important thing that you should keep in mind is the temperature of the foods you are eating. You should never eat oposite temperatures foods one after another with short time intervals. Your teeth might expand or contract, allowing stains to penetrate them. Acidic foods can also ease up the staining process of your teeth, so try as much as you can to avoid them. All in all there are many teeth whitening techniques to choose from so you shouldn't worry to much when you have stained teeth. But try as much as possible to keep them white by avoiding bad foods and habits.