after smoking for 23 years and drinking coffee like a addict, my teeth were ready for an overhaul. several friends have used trays that got from their dentist but their results have been mediocre at best. at NATURAL WHITE they dont use trays but a paint on gel and some sort of blue light. anyway, after 45 minutes i could not believe my results - nothing short of spectacular. if you are skeptical...DONT BE, this is the real deal.
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