Case #1: Crowded upper and lower teeth with posterior crossbite
1b 1a

Case #2: Moderate crowding, constricted arches
2b 2a

Case #3: Anterior crossbite (underbite) and spacing
3b 3a

Case #4: Crossbite, severe crowding, constricted arches, severe dental midline discrepancy
4b 4a

Case #5: Severe crowding, constricted archforms, excessive (deep) overbite
6b 6a

Case #6:
4bb-beginning-center 4bb-final-center

Case #7:
5ac-beginning-center 5ac-final-center

Case #8:
6bbu-beginning-center 6bbu-final-center

Case #9:
7ca-beginning-center 7ca-final-center

Case #10:
8ep-beginning-center 8ep-final-center

Case #11:
9hw-beginning-center 9hw-final-center

Case #12:
10jm-beginning-center 10jm-final-center

Case #13:
11li-beginning-center 11li-final-center

Case #14:
12ra-beginning-center 12ra-final-center

Case #15:
13te-beginning-center 13te-final-center

Case #16:
14lm-beginning-center 14lm-final-center

Case #17:
15ni-beginning-center 15ni-final-center

Case #18:
16tv-beginning-center 16tv-final-center

Case #19:
ian-before ian-after

Case #20:
shelby-before shelby-after