A method of Manufacturing a dental prosthesis or a part thereof, which comprises a step of grinding Block (1) Made of a suitable material for Dental use,In the Block (1) ensures a connection element (L) for a Dental Implant, in that the method comprises the following steps: a) providing a Milling Machine (7) for Dental use,(b) provide a block (1) Made of a suitable material to manufacture dental Prosthetics and provided with a Hole (2), (c) to provide a Connecting element (L) for a Dental ImplantHaving said Connection element (L) a First Connection part (3) for the Dental Implant, and a Second Connection part (4) for the dental prosthesis(d) insert the second Connection part (4) of the connecting element (L) into the Hole (2) block (1) and secured to the Block (1),So as to form a set of Block (1) and a Connecting element (L),(e) to provide a coupling Member (5) between the first Connection part (3) and a support element (6), (7) of the Milling Machine(f) connect the whole block (1) and a Connecting element (L) of Step (d) the coupling Member (5),(g) to assemble the coupling Member (5) with the set of Block (1) and a Connecting element (L) on the support element (6) of the Milling Machine (7), (H) Milling the Block (1),In order to obtain a Stump (m) or a dental prosthesisThe coupling Member (5) comprises a First fitting part (12) for fitting in with the first Connection part (3) of the connecting element (L),Lace and a second part (13) to engage on the support element (6), (7) of the Milling MachineIn the first part of Lace (12) comprises a Seat (14) to contain the first Connection part (3) of the connecting element (L),The seat (14) having a Shape that is substantially equivalent to the seat of the Dental Implant is the connection element (L).Un método de fabricación de una prótesis dental o una parte de la misma, que comprende una etapa de fresado de un bloque (1) fabricado en un material adecuado para uso dental, en el que dicho bloque (1) se asegura a un elemento