| 摘要 |
A device has a metal wireframe with two lateral fastening elements which are connected through metal lingual and vestibular springs to a frontal fastening element and executed in the form of metal wireframes clasping teeth of dentition's lateral segments and performed of lingual and vestibular details located at necks of teeth from the one side and dispersedly mounted along the height of teeth from the other side and connected by crosspieces.
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