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631 of 635 people found the following review helpful: By 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...Read more 382 of 386 people found the following review helpful: By This review is from: Crest Premium White Strips, 28 Count (Health and Beauty) I am a dentist who recommends Crest-brand White Strips to my patients becasue they do work to whiten teeth. However, they have to be used correctly and I recommend that you follow the directions exactly as specified inside the 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...Read more 101 of 103 people found the following review helpful: By This review is from: Crest Premium White Strips, 28 Count (Health and Beauty) I've been using this product for 4 days and I can see a result already. Not the glow in the dark, frighteningly unnatural white that you often see on people who have had a dental bleaching--you know that silvery white look that doesn't occur in nature. I think the strips have whitened my teeth without making it obvious I've been whitening them. It's how my teeth looked ten years ago, before ten years of coffee and soda buildup. Although I've read reviews that state people have had pain in their gums and teeth, I've not had a bit of trouble with pain. The only real caution is--DON'T SNEEZE. Or if you have to sneeze, keep your mouth firmly closed. When I sneezed, the strips came flying out of my mouth. Also, you really can't talk very well while they're in your mouth, and you feel a bit like you're foaming at the mouth. However, there is very little after taste--and my teeth look cleaner without look other worldly. I would definately recommend. |