I use a Hawley appliance to move just one or two teeth. You can wear it full time or at night only if you like. I have my patients come in one a month to tighten the springs.
That is built into the aligner and each aligner will be different. The edges are laser polished so they cant get any more smooth. If you think silver brackets and wires would be more comfortable then you should get them. Invisalign is the easiest way to straigten teeth trust me.
It sounds like you were treated as a full comprehensive Invisalign case based on the number of trays you have received. It also sounds like you have done a refinement after your initial sets of trays. One of the beauties of being treated as a full case with Invisalign is that they allow up to...
