Abstract
The patient was a 23-year-old girl who had an Angle Class II Division 1 malocclusion, severe overjet, and deep bite with a gummy smile. She had both impacted mandibular canine teeth. The objectives were to correct deep bite, gummy smile, accentuated overjet, alignment of impacted canine and to achieve adequate overbite and overjet. The treatment involved extraction of maxillary first premolars proceeding with retraction and intrusion of the upper anterior teeth with mini-screw implants as the orthodontic anchorage. After treatment, adequate overbite and overjet and a satisfactory maxillary gingival exposure in the smile were obtained. The mini-screw implant anchorage method is useful for correction of severe overjet and a deep bite with a gummy smile.
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