| 摘要 |
<p>A screw type dental implant is disclosed. The dental implant comprises a root portion and an upper portion. The root portion comprises a central elongated body having a main longitudinal axis and a plurality of wings extending outwardly from the peripheral surface of the central body. The plurality of wings is helically arranged around two or more axes that are not coincident with the main longitudinal axis of the central body.</p> |
