Re: Dentech Whitening First I paid for a sample, but was unawre they would be charing my credit card with out my authoriztaion. And I was charged $ 90.93, which I requested acancellation from any furthere actiion with this company. The send me a cancellation email but never refunds my $ 90.93. I later received a package from Dentech and I refused/returned the package and againg requested refund of my $ 90.93. As of today, I have not hearded from this company and I think it a crime to mislead customer and take money that doesnt beloong to... read full review »