Almost everyone with crooked teeth would rather have straight teeth. People are put off primarily by four things: the appearance of wearing braces, the time it takes, the discomfort involved, and the cost. Invisalign have pretty much solved three of these problems. The braces are virtually Invisible, far more comfortable that traditional fixed braces, and now we have such short treatment times. Cost may still be a factor for some people. The cost of Invisalign reflects the vast sums that have been, and continue to be spent on research and development, to enable them to produce such a fantastic product. However, having treated many patients of all income levels with Invisalign, the consensus is most definitely that it was well worth it.
The example below shows a case I treated in 12 months. This could now be achieved in 6 months!