Do Crest Whitening Strips Whiten Teeth?
If you are thinking about using Crest Whitening Strips I recommend that you follow the directions exactly as specified inside it’s box. 1. First brush your teeth with a wet toothbrush to remove the layer of plaque (toothpaste is unnecessary). Rinse your teeth well with water. Tooth enamel has pores, and the pores need to be open for the chemical to penetrate. 2. Use the strips as directed on the box. The instructions will tell you to bleach twice a day for 30-minutes a time. The inner part of the strip has a chemical called hydrogen peroxide; (in-office, or dentist-assisted dental whitening uses a 15-35% version of the same chemical) that causes the stains inside your teeth to be oxidized and turn white. Applying the strips has a small learning curve as you will probably bend or fold a couple of them before you get the technique down. 2. Leave the strips on for the time recommended in the instructions and do not over-bleach your teeth, as this leads to sensitivity. Disadvantages 1. Hyd
