PROBLEM TO BE SOLVED: To easily and reliably fix an arch wire, and also to prevent the arch wire from coming off a bracket during a treatment period.SOLUTION: The bracket includes: a bracket body 1 having the mount body 3 of the arch wire on a base plate 2 a lock member 10 for fixing the arch wire to the bracket body and a support member 20 for turnably fitting the lock member. A slot 4 with an open upper end is formed on the side of a tooth root. A locking groove 5 is formed in the front part of the tooth root side sidewall of the slot. A shaft groove 6 with an open upper end is formed on a tooth tip side. The lock member is formed to have a square shape with an elastic plate, where a locking end 11 to be engaged with the locking groove is formed in the tooth rood side end and a spindle 12 to be engaged inside the shaft groove is arranged in the tooth tip side end. The support member is formed to have a linear or square shape, where a support part 21 for turnably restricting the spindle inside the shaft groove is arranged at the distal end and the proximal end is fixed to the tooth tip side slope of the mount body.COPYRIGHT: (C)2013,JPO&INPIT【課題】アーチワイヤを容易且つ確実に固定し得ると共に、矯正期間中ブラケットから外れる惧れのないようにする。【解決手段】ベース板部2にアーチワイヤの取付体3を設けたブラケット本体1と、ブラケット本体にアーチワイヤを固定するロック部材10と、ロック部材を回動可能に止着する支持部材20とを備えたブラケットである。歯根側には上端部を開口したスロット4を形成し、該スロットの歯根側の側壁前部には係止溝5を形成すると共に、歯先側には上端部を開口した軸溝6を形成してあり、上記ロック部材は弾性板を方形状に形成し、その歯根側端部には係止溝に係合し得る係止端部11を形成すると共に、その歯先側端部には軸溝内に係合し得る支軸12を設けてあり、上記支持部材は線状又は方形板状に形成し、その先端部には前記支軸を軸溝内に回動可能に抑止する支持部21を設けると共に、その基端部を取付体の歯先側斜面部に固着してある。【選択図】図1
