Case #1: Crowded upper and lower teeth with posterior crossbite
Case #2: Moderate crowding, constricted arches
Case #3: Anterior crossbite (underbite) and spacing
Case #4: Crossbite, severe crowding, constricted arches, severe dental midline discrepancy
Case #5: Severe crowding, constricted archforms, excessive (deep) overbite
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