Abstract
This case report was presented at the Indian Board of Orthodontics examination under category I in September 2021. It demonstrates fixed orthodontic treatment of a 13-year-old female presenting with Angle’s Class I malocclusion on Class I skeletal base with an average growth pattern. This was complicated by a 7 mm overjet with proclination and crowding of the upper and lower labial segments. She also presented a reduced overbite and a centerline discrepancy of 1.5 mm. Lips were protruded and incompetent at rest with decreased nasolabial angle. Treatment involved extraction of all first premolars followed by fixed orthodontic mechanotherapy with preadjusted edgewise appliance (0.022 × 0.028” slot with MBT–McLaughlin Bennett and Trevisi prescription). Anchorage reinforcement in the upper arch was provided with mini-screw implants.
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