Novel dental implant and preparation method thereof

The invention provides a novel dental implant and a preparation method thereof.The novel dental implant comprises an under-bone implantation part, a gingival penetrating part and a gingival suprapart which are sequentially connected from bottom to top, the under-bone implantation part is an inverted-cone-shaped spiral body with the wide upper portion and the narrow lower portion, and the section of the under-bone implantation part is in a triangular cam shape; the subbone implantation part is provided with a root end located at the bottom and a shoulder end located at the top, the peripheral wall of the subbone implantation part is provided with a fastening thread groove and a blood supply spiral channel, and the blood supply spiral channel extends to the shoulder end along the transition arc section of the triangular cam through the root end of the subbone implantation part; the included angle between the spiral blood supply channel and the bottom face of the subosseous implantation part is larger than the i