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KMID : 0361919760060010065
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Korean Journal of Orthodontics
1976 Volume.6 No. 1 p.65 ~ p.69
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A CASE REPORT OF MANDIBULAR PROGNATHISM TREATED WITH ACTIVATIOR
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Lim Jin-Hwan
Nam Dong-Seok
Yang Won-Sik
Seo Jeong-Hun
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Abstract
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A patient (Hellman dental age IIIA) who had anterior cross bite due to functional factor was treated with activator. Following results were obtained: 1) Anterior cross bite was crorrected 3 months after the initial application of the appliance. 2) Comparing pretreatment records with posttreatment, the main effects were labioversion of upper incisors, increase of upper arch length and downward-backward rotation of the mandible. 3) There was no damage on teeth and periodontal tissues and the patient had normal occlusion 1 year after the treatment.
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