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  • Title: Dentofacial effects of asymmetric headgear and cervical headgear with removable plate on unilateral molar distalization.
    Author: Altug H, Bengi AO, Akin E, Karacay S.
    Journal: Angle Orthod; 2005 Jul; 75(4):584-92. PubMed ID: 16097227.
    Abstract:
    Cervical headgear (CHG) is used widely in the treatment of Class II anomalies. Asymmetric headgear (AHG) is an alternative treatment for the correction of unilateral Class II dental relationships. The purpose of this investigation was to compare the effects of AHG with those of a CHG combined with a removable plate in unilateral first molar distalization. The study consisted of 20 patients with unilateral Class II molar relationship (12 girls and eight boys). One group of 10 patients was treated with an AHG, and a second group of 10 patients was treated with a CHG and a removable plate. Lateral cephalograms and basilar radiographs were taken before and after molar distalization. It was found that distalization and distal tipping of molar on the passive side was less in the CHG and removable plate (CHG-RP) group. Distalization and distal tipping of the second premolar on the distalization side was also reduced in this group. Incisors were retruded in both groups but were retruded more in the CHG-RP group.
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