I tried the free trial offer for a $.97 S&H fee, but was billed an extra $1.00 for insurance (which I did not request). Then yesterday received a membership in a club I had never heard of And my account had been charged $29.99. When I called to complain they canceled the membership, but would not refund the charge. They said it was valid and I approved it when the Dentech called to confirm my address. They did not mention this additional service in that call. This is just another example of a telemarketing ripoff. read full review »