活动义齿制作流程：http://www.360doc.com/content/16/0131/19/28545106_531929780.shtml
https://jingyan.baidu.com/article/cdddd41c581c3753cb00e10a.html
http://www.360doc.com/content/18/0530/21/27997711_758344851.shtml
钢托排牙：https://wenku.baidu.com/view/f534cfaca7c30c22590102020740be1e650ecc84.html
胶托排牙：https://wenku.baidu.com/view/a9fae70716fc700abb68fcc3.html
