Patent ID: 8128403

Claim:
A dental abutment device having a nut for connecting to a dental implant for supporting a dental prosthesis to treat human patients in need for dental restoration comprising: a dental abutment element for supporting a dental prosthesis, a fixating nut and a dental implant, said dental implant has an internal thread, said dental abutment element includes an apical extension having an external thread, said external thread being screwed inside said internal thread of said dental implant, said fixating nut has a coronal end towards the oral cavity, an apical end towards said dental implant and internal thread between said coronal end of said fixating nut and said apical end of said fixating nut, said fixating nut being screwed over said apical extension so said apical extension pass through said coronal end of said fixating nut and through said apical end of said fixating nut, a largest diameter of said apical extension, apically to said fixating nut, being small enough to allow advancement of said fixating nut to its final location, apically to said dental abutment element, starting from an apical end of said apical extension.