Method of manufacture of a piece designed to be fitted in the area of a dental prosthesis in the mouth of a patient, which comprises creating sugosities on the outer surface of the piece and applying a layer of TiN on the piece. The pieces allow the aesthetic results of the prosthetic treatment to be enhanced. It has also been shown that the manufactured pieces inhibit bacterial adhesion and are biocompatible.一種製造設計成裝配在患者口腔中假牙區域的零件之方法,該方法包括在該零件的外表面上創建皺度和在該零件上塗佈氮化鈦(TiN)層。該零件讓假牙治療的美觀效果加強。它也顯示該製造的零件抑制細菌附著並具有生物相容性。