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Orthodontic Treatment with a Series of vacuum-formed Removable appliances-case Report

並列摘要


This case report focuses on the treatment of a patient with moderate crowding and a maxillary right lateral incisor crossbite. A treatment plan of moving the teeth through the use of setup models and vacuum-formed plastic appliances manually fabricated for the tooth movements was proposed to the patient. Resin attachments were bonded to the labial surface of the maxillary fight lateral incisor to facilitate extrusive movement. A desktop mechanical 3D digitizer was used to measure the amount of movement of the maxillary and mandibular teeth during each stage. Evidence showed that these plastic appliances could move a tooth at most 1 mm in each stage, and that resin attachments combined with elastics could achieve complex extrusion within 3 weeks.

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