im planning on getting my teeth whitened. but i need your opinion. at this shopping mall, there is professional teeth whitening kiosk and im not sure if i should do it there. they told me it takes 15 min to make my teeth white and cost is $150. and they told me that it lightens teeth 2-4 shades (what does this mean 2-4 shades? )
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The teeth have different shades, primarily A, B, C and D, depending on the white, yellow and grayish hue. Also, there is 1 - 4 degrees of shades in each color. So, you can have A1 through A4 degrees of shades in Shade A and so on and so forth. C is for grayish teeth, etc. The price sounds reasonable. The only thing to worry about would be the degree of sensitivity experienced later. The following article will help : http://www.associatedcontent.com/article…
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