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Historia, características y usos del Arco Extraoral
[摘要] The extraoral arch is an appliance that has been used in orthodontics for more than a century. It can be used to perform orthodontic movements, as an anchor or as an orthopedic device, depending on the amount of force applied. This device is usually used in class II malocclusions, but there is a modification that can be used in class III malocclusion. You must know your biomechanics to obtain the best results in its use. It can also be classified according to the trajectory in which the force is applied as cervical, occipital or mixed. There are also various modifications such as asymmetric arches, ACCO, C-Modeler, Asher, orthopedic devices with extraoral arch and mandibular extraoral arch.
[发布日期]  [发布机构] 
[效力级别]  [学科分类] 口腔科学
[关键词] Extraoral arch;Anchorage;Orthodontics;Orthopedics. [时效性] 
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