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KMID : 0361920190490050338
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Korean Journal of Orthodontics
2019 Volume.49 No. 5 p.338 ~ p.346
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Correction of Class III malocclusion with alternate rapid maxillary expansions and constrictions using a hybrid hyrax?mandibular miniplate combination and simultaneous orthodontic treatment: A case report
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Martinez-Smit Rosana
Aristizabal Juan Fernando
Filho Valfrido Antonio Pereira
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Abstract
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In this report, we describe the successful use of alternate rapid maxillary expansions and constrictions with a hybrid hyrax?mandibular miniplate combination and simultaneous orthodontic treatment for the management of severe Class III malocclusion due to maxillary hypoplasia in an 11-year-old girl. The devices were removed after 20 months of treatment, and the family was instructed about a careful control and retention program that should be followed in accordance with the patient’s growth. The final result included the correction of Class III malocclusion with adequate function and excellent facial esthetics, which restored the patient’s self-esteem and provided personal motivation. The outcomes showed good stability after 24 months of retention. The decrease in the duration of active treatment is the most important finding from the present case. Considering that facial esthetics in adolescence is a determining factor for the development of a personality and interpersonal relationships, we recommend the use of this protocol for growing patients, who will exhibit not only an improved physical appearance but also a better quality of life.
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KEYWORD
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Orthopedics, Bone anchorage, Maxillary protraction, Class III maloc-clusion
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