Since Release 3.2.90 (209) in Modul Aligner 3D the following extended function keys can be used:
If tooth movement limitations are defined, the treatment steps between initial and goal situation can be found by multiple function button sequence [SHIFT|CTRL+]F8+F9+F10 (in case, the manual correction per stepcan be limited to the compensation of collisions between crowns).
For F10 please note that the crown collisions are only compensated inbetween adjacent crowns multiselected in the object list.