| 摘要 |
The device for meso-distal teeth moving contains rings for the molars, hard lingual arc fastened on rings, and traction, creating orthodontic force. The device contains tubes, fastened on rings from the vestibular side, and clamps, fastened from a vestibular side on the teeth exposed to moving, and the resilient vestibular arc placed by middle part in clamps and by ends - in tubes with possibility to move relative to them.
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