The dentition reform instrument null base which has the tongue side

摘要

The instrument which is used with dentition reform remedy adjoining, the base of the instrument (12) immediately, the retention groove which is located (30) it possesses. The retention groove, in order the wire segment or the other component in the right place, at the same time for the component not to come off from the instrument while remedying, the substance of the instrument (14) contacting, is useful in order to keep. The retention groove especially, the tieback loop and the other component which possess the form like the thread, the compact the instrument is captured is useful in order to keep with the relationship which is agreeable exactly.