步骤一、带环戴在牙上取模，并将其就位于印模牙位上

              图1                                                            图2
步骤二、将前磨牙带环内圈腭侧滴蜡固定
             图3                                                              图4

        图5                                                                 图6 
  

步骤三、带环滴蜡固定后灌石膏带环已就位在石膏牙模上