【正文】
A final prosthesis 第十七頁,共十七頁。 第十五頁,共十七頁。 Screw retained to the abutment。 Abutment ? A customised abutment may be prepable, custommade in the laboratory or puteraided designputeraided manufacture(CADCAM) designed. ? A prepable abutment is generally supplied by the manufacture as a blank in titanium or ceramic to be modified by the clinician at the chairside or by the dental technician on the master model. 第十頁,共十七頁。 Implants ? Implant design has a great influence on the stability and subsequent function of the implant in bone. ? The main parameters are implant shape, implant length, implant diameter and surface characteristics. 第六頁,共十七頁。 Implants ? Implants consist of