Patent Number: 6,332,774

Title: Retainer wire and tooth row retaining device using retainer wire

Abstract: An object of the present invention is to provide a retainer wire which cansolve problems of a conventional retainer wire and improve the extractivestrength of the joint portion of a plastic portion and a metal wireportion. The present invention is directed to retainer wire including: aholding portion formed in the shape of a circular arc so as to be able tobe in contact with a dentitition; and a metal wire metal extended fromboth ends of said holding, portion; wherein said holding portion is madeof a synthetic resin having transparency and a specified mechanicalstrength; and wherein the supporting portion is formed together with theholding portion into one body.

Inventors: Chikami; Kunio (Kochi, JP)


International Classification: A61C 7/00 (20060101); A61C 7/20 (20060101); A61C 003/00 ()

Expiration Date: 12/25/2014