Objective To evaluate the application effect of the ballattachment implant denture in the edentulous jaws.
目的：探讨球状附着式种植义齿在无牙颌中的应用效果。
2
Methods Through respectively implants 2 ballattachment implant in the edentulous jaws patient mouth, Manufactures the implant supported overdenture.
方法：通过在无牙颌患者口中各植入2枚球状附着式种植体，制作成种植覆盖义齿。
3
Results: the stress values of the ballattachment in the palate area, alveolar bone and implant bone interface were much higher than that of the bar attachment.