A dental implant for preventing elution of metal when applied within an oral cavity and preventing the occurrence of mismatching (bumpy occlusion or the like) when fixed in place, and its manufacturing method are provided. The abutment is manufactured through steps including molding a titanium molded body composition to obtain a titanium molded body, molding a ceramic molded body composition to obtain a ceramic molded body, assembling the titanium molded body and the ceramic molded body together to obtain an assembled body, degreasing the assembled body so that the titanium molded body becomes a titanium degreased body and the ceramic molded body becomes a ceramic degreased body, and sintering the assembled body to transform the titanium degreased body into a titanium member and to transform the ceramic degreased body into a ceramic member so that the titanium member and the ceramic member are firmly fixed and joined together.