An Orthodontic Treatment Case of Angle Class II Division 1 Malocclusion with Canine of Impaction and Premolar of Transposition

Abstract

The patient, when first examined, was 12 years and 9 months old, female. She had a Class II malocclusion with maxillary right canine of impaction, and left premolar of lingual transposition.
At first, an attempt on the impacted maxillary right canine would be required to erupt spontaneously in the line of the arch following the extraction of the right first premolar and the left second premolar. After confirmed fully eruption of the canine, started to treat with multi-bracket system.
Mandibular deviation to left side due to the interference of left first premolar rotated. Therefore, improved on this rotation at an early stage and paid attention to obtained the stable mandibular position.
As the results, evaluation of the patient's records for the 2 years following completion of active treatment revealed to acquire stable occlusion