All you want to know about tooth bleaching is here.
A few days ago, I sprinkled a few drops of coffee on my newly bought white skirt. My mother took out a magical [stain removal pen] and applied it a few times. After a few minutes, the stain disappeared. I looked carefully and found that the main ingredient of the stain removal pen is peroxide. It turns out that this is the same principle as bleaching the teeth of patients at work every day. Why aren’t your teeth white? Due to various reasons, there are more or less some pigment deposition on the surface and superficial layer of teeth. Common reasons include: Aging yellow teeth: Young people’s teeth are relatively white. As they get older, they accumulate over time and Read More …