I went to this office with high expectations and they were met and exceded. Dr Karkalas has a Zoom II whitening system. It was explained to me that this we the second generation of this product and that it would take 45 minutes to whiten my teeth. I was concerned about sensitivity because with the at home system I used in the past I was sensitive to cold . I had no sensitivity with this procedure and my teeth came out even more white than they ever did with the at home systems. I am glad that I chose to do this
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