A sensitive subject that a lot of people have a hard time talking about, is the color of their teeth. Some people are comfortable with the shade of their teeth, while others are very insecure and are finding it difficult in changing that. The thing about teeth whitening is that it's a subject you need to be informed about. The more you know, the better you can go about whitening your teeth to the best that they can be.
If you are looking to get whiter teeth, you should not smoke. The nicotine content in cigarettes causes your teeth to stain a dark color. If you really want to get a bright white smile, then you need to make sure that you quit smoking for good, so that your teeth do not redevelop a stain.