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[A clinical study of the changes of condylar position in class division 2 deep-bite patients after orthodontic
Fang-fang Gong1, Lie Tao, Hui-ju Cao
1Department of Orthodontics, Ninth People's Hospital, Shanghai Second Medical University, Shanghai 200011, China.
Objective:
To observe the effects of orthodontic treatment on the changes of condylar position in Class division 2 deep-bite patients.
Methods:
11 patients with Class division 2 deep-bite malocclusion were orthodontically treated, the changes of condylar position were evaluated by means of 3D-CT and Sam-diagnostic articulator.
Results:
With the increase of inclination of upper incisors and opening bite, there were statistically significant changes of condylar longitudinal distance and condylar height in both sides, and retruded contact position-intercuspal position(RCP-ICP) discrepancy was significantly reduced.
Conclusion:
The condylar position in division 2 deep-bite patients could be orthodontically changed, moving anterior-inferiorly and approaching RCP.
