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but im on 2nd delievery to see results , it gives teeth that immed no grit feel like after a cleaning I lovvveee, and does so each use. the whitening takes 6 wks using both and I've now seen a visible difference even w out a tan
We had an older Vista, but we found it too bulky. So we got rid of it and got this one instead. It is so easy to fold up and out. I'm a petite woman, so that is very important to me. Easy to wheel around and my daughter is very comfy in it! The only thing that I wish were different is that the middle connector is kind of short.