| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a dental abutment to be fixed to a dental implant fixture, capable of preventing invasion of bacteria into jawbones because of the high adhesiveness to the gum, and hardly causing the bone resorption or gingival retraction. <P>SOLUTION: The dental abutment 1 is fixed on the oral cavity inner side of the dental implant fixture F to penetrate the gum, serving as a base of a dental prosthesis P. A projecting stripe 2 of 1-500μm in the width and 1-500μm in the height is spirally disposed along the circumferential direction, or a plurality of projecting stripes are disposed in rings approximately at regular intervals on the outer circumference abutting to the gum. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
