KMID : 0361920070370010029
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Korean Journal of Orthodontics 2007 Volume.37 No. 1 p.29 ~ p.43
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Effects of activator treatment on different skeletal patterns in growing class II malocclusion patients
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Lee Jin-Woo
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Abstract
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Objective: To establish proper diagnosis and treatment plan for skeletal Class II malocclusions, some important factors to consider are the patient¡¯s skeletal morphology, prognosis as well as the treatment effects. Therefore, the present study analyzed the effects of activator treatment on different skeletal patterns in growing Class II malocclusion patients. Methods: A total of 116 patients (53 boys & 63 girls) in the experimental group were treated with the activator appliance. The experimental group was classified into either hyperdivergent or hypodivergent groups according to articular and genial angles. Results: Patients with hypodivergent growth patterns showed good effects of activator treatment. Conclusion: It seems conceivable that through classifying adolescent Class II malocclusion patients into different skeletal patterns, activator treatment effects may be predicted during the diagnosis and treatment planning stage.
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KEYWORD
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Class II malocclusion, Activator, Skeletal pattern, Facial growth
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