16+ How Do Teeth Whitening Pens Work
Pictures. They use a bleach which seeps into the tooth and breaks up color compounds, making the teeth. Nowadays, many friends want to know how to use the tooth whitening pen after hearing about this amazing tool.

Dental · 6 years ago. Do you wish your teeth could be whiter? Take extra care to brush spread your lips apart into a toothy smile with both your upper and lower teeth visible, as well as your gum lines.

So how good is this stuff for your teeth?

That happens when the peroxide in the whitener gets through the enamel to the soft layer of dentin and irritates the nerve of your tooth. Well, how long is a piece of string? How does teeth whitening pen work? How long after until i can eat?