| 摘要 |
An orthodontic appliance including labial and lingual bodies having teeth-contacting surfaces for acting against targeted anterior teeth of a patient and associated labial and lingual components incorporating spring-loaded biasing means for causing the labial and lingual bodies to act in generally opposed directions and in unison against the surfaces of the targeted anterior teeth. Bands for attaching the appliance to molars and a lingual support component also are provided. The foregoing is applied to a fixed spring aligner, a habit appliance and a bonded crossbite appliance, as well as appliances having new and improved labial and lingual components. The habit appliance includes a labial component to pull anterior teeth into an ideal position, and the aligner and crossbite appliances include labial and lingual components for applying corrective forces to the respective labial and lingual surfaces of the anterior teeth.
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