Class II with ectopic canines in upper arch and severe crowding in lower arch treated by segmented arch technique- A case report.

Fifteen years old female presented ectopically erupted upper canines with severe lower anterior crowding and Class II malocclusion. First premolars were extracted to correct ectopic position of upper canines and severe lower anterior crowding. Segmental 0.017?0.025? TMA T-loop and Mulligan?s arch were used in upper and lower arch respectively for individual canine retraction. Combi-pull headgear was used to correct Class II molar relation bilaterally. Post treatment results showed ectopic position of upper canines was corrected, lower anterior crowding relieved and bilateral Class I molar relation achieved. Ideal overjet and overbite were attained with improved inclination of upper and lower incisors. At the end of treatment, patient showed pleasing smile with improved smile arc. The overall treatment took 20 months.