a dental implant device for mounting a prosthesis and minimizing the lodging of extraneous substances in interstitial spaces . a root form implant fixture is permanently implanted in a user &# 39 ; s jaw bone . the fixture includes anchorage and engagement sections . the engagement section includes a cylindrical portion adjacent to the anchorage section , a beveled portion that is adjacent to and coaxially disposed with respect to the cylindrical portion and a hexagonal portion adjacent to and coaxially disposed with respect to the beveled portion .