Age: 13
Chief concern: “The underbite”
Case diagnostics:
Retrognathic maxilla/orthognathic mandible, Class III tendency, mild maxillary crowding, moderate mandibular spacing, deep overbite ~60%, negative overjet and complete anterior crossbite, supernumerary lower left premolar, fair to poor oral hygiene, and some sensory issues
Total number of aligners: 48
Initial Tx Design: stages 1-40 (40 aligners)
Refinement Tx Design: stages 41-48 (8 aligners)
Aligner Material: 3M™ Clarity™ Aligners Force
Wear interval: 7 days
Treatment time: 13 months