| 摘要 |
An object of the present invention is to provide a retainer wire which can solve problems of a conventional retainer wire and improve the extractive strength of the joint portion of a plastic portion and a metal wire portion. The present invention is directed to retainer wire including: a holding portion formed in the shape of a circular arc so as to be able to be in contact with a dentitition; and a metal wire metal extended from both ends of said holding, portion; wherein said holding portion is made of a synthetic resin having transparency and a specified mechanical strength; and wherein the supporting portion is formed together with the holding portion into one body.
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