Total Radiance Teeth There are many reasons to go through with teeth whitening and teeth bleaching. You might have stained teeth due to many reasons, such as years of smoking or drinking coffee. When most people were younger, they had no idea that they were eating and drinking things that were bad for their teeth. It is only recently that people have learned what things might stain their teeth, and it is recently that teeth whitening and teeth bleaching have become very popular.