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 …

Is whitening toothpaste useful? Inventory of Various Tooth Whitening Methods

As the saying goes, “one white covers all ugliness”, although it mainly refers to the white skin, it seems that this sentence also holds for teeth. Many stars show white and neat teeth when they smile, which is especially beautiful. At the same time, there are also some [secret recipes] circulating among the people that can whiten teeth. Let’s see if these methods really work or are just erroneous. Containing vinegar or lemon juice It doesn’t work, it’s harmful! Perhaps someone was inspired by [white vinegar can remove scale] and felt that white vinegar is acidic and can dissolve scale, so it should be able to remove [tartar]. Anyway, the composition is similar. Indeed, very sour vinegar or lemon juice Read More …