Most patients see noticeable results after about a week. The lower concentration of hydrogen peroxide puts less pressure on your tooth enamel and reduces the likelihood of experiencing tooth sensitivity.
Wearing your Oral-B™ 3D Teeth Whitening Strips while lying down can decrease the production of saliva, which may prevent the strips adhering to your teeth. Drying your teeth before application can help the strips adhere to your teeth better.
We also advise brushing your teeth an hour or two before using Oral-B™ 3D Teeth Whitening Strips, as the treatment may not be as effective when plaque and bacteria are present. Brush your teeth again one hour later to reduce gum irritation.
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