Teeth whitening can be the most simple and affordable way of getting a new smile. Having teeth look whiter and brighter can give you more confidence. Teeth whitening is a procedure that involves using a chemical like 6% hydrogen peroxide gel. This gel penetrates through the outer enamel layer to whiten the darker dentin layer. The dentin layer can be yellow, grey or brown in colour. As the gel lightens the dentin, this gives the appearance of whiter teeth.
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