Teeth whitening with the blue light- How much does it cost, how does it work and how well does it work?

How long are you under it and how many times do you have to do it before your teeth are super white?
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results are different for people depending on the stain and what type of stain it is. It's usually a 1 hour process and the cost can range from $400 to $800 depending on the product and the dentist.
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