Placement of Fixed Appliances
Comprehensive orthodontic treatment commenced with a placement of a Hyrax rapid maxillary expansion appliance to correct the left-side posterior lingual crossbite and pre-adjusted maxillary labial fixed appliances (0.022” × 0.028” slot, MBT prescription, 3M Oral Care, MN, USA). Instructions were given to turn the rapid maxillary expansion appliance once daily for 26 consecutive days. Following another review, the maxillary arch expansion was deemed to be satisfactory.