This company is a complete fraud. Should you fall victim to it please do the following:

A quick Google search tells you quickly this is a fraud.
1-Report to the BBB. The company is owned by Avayo Media. Kristina Matos is listed as the BBB contact in SE Florida. Her number is +17862303738. After calls to Kristina, they have changed the name to Jason Williams.
2-Flag their marketing efforts. Flag http://hubpages.com/hub/Denta-White as fraudulent.
3-Report their fraudulent activity with their customer service provider Kayako eSupport http://www.kayako.com/
4-Mailing address is: Avayomedia LLC
1602 Alton Road 588
Miami Beach Florida 33139
Remember there are several fraudulent companies under this umbrella.
5-They are REQUIRED to provide you with the ACTUAL terms and service you signed. If they direct you to simply what is on their website, they are in violation.
6-Keep calling, keep fighting.