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KJO Korean Journal of Orthodontics

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pISSN 2234-7518
eISSN 2005-372X
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Original Articles

Korean J Orthod 2007; 37(1): 29-43   

First Published Date November 30, -0001, Publication Date February 28, 2007

Copyright © The Korean Association of Orthodontists.

Effects of activator treatment on different skeletal patterns in growing class II malocclusion patients

Jun-Hun Kim , Jin-Woo Lee

Abstract

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. (Korean J Orthod 2007;37(1):29-43)

Keywords: Class II malocclusion , Activator , Skeletal pattern , Facial growth

Article

Original Articles

Korean J Orthod 2007; 37(1): 29-43   

First Published Date November 30, -0001, Publication Date February 28, 2007

Copyright © The Korean Association of Orthodontists.

Effects of activator treatment on different skeletal patterns in growing class II malocclusion patients

Jun-Hun Kim , Jin-Woo Lee

Abstract

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. (Korean J Orthod 2007;37(1):29-43)

Keywords: Class II malocclusion , Activator , Skeletal pattern , Facial growth