Miniscrew implant supported maxillary canine retraction with and without Corticotomy Facilitated Orthodontics (CFO)

Abstract

Introduction: The purpose of the study was to scientifically test maxillary canine retraction assisted by miniscrew implant with corticotomy-facilitated orthodontics. Materials and Methods: Fifteen patients (six males, nine females) who had Class II division malocclusion with enhanced overjet were included in the study. Maxillary first premolars were surgical displaced along with retraction of maxillary. In the canine-premolar region, corticotomy was performed on one side of the maxillary arch; the other side served as the control region. Over a 4-month follow-up span, the following variables were examined: plaque index, tooth movement intensity, attachment degree, gingival regression, molar anchorage failure, gingival index, and scope of testing. Results: After 2 months, the canine retraction rate on the corticotomy side was more significant than on the control side by twice. The tooth movement rate steadily decreased to 1.6 times faster at the end of the 3rd month and to 1.06 times faster at the end of the 4th month. No failure of molar anchorage occurred on either the controlled or nonoperated hand during canine retraction. Conclusions: For people requiring orthodontic care with shortened treatment periods, corticotomy-facilitated orthodontics may be a viable treatment modality.

Keywords

• canine retraction
• corticotomy
• implants
• malocclusion