Abstract
A male patient aged 23-years-4-months presented Angle Class Ⅱ malocclusion with maxillary high canine on both sides. The lingual arch treatment has advantage in crowding case and high canine case.
The patient was treated with lingual bracket(0.018 × 0.025 slot, Kurz 7th/Ormco/America) and lingual arch for maxillary canine distal movement.
Active treatment time was shorter 30 months by using lingual arch. After 25 months of retention the patient presented a stable occlusion.
