Dental prosthesis retention post, said post (1) being of the type fastened onto dental implants or transepithelial posts by means of a use of screws (2), in which said post (1) comprises: a screw (2), the head of which comprises a substantially spherical protuberance a base (3), the lower face of which is connected to the head of the implant or transepithelial post and which, within, receives the head of the screw (2) and a closure cap (4) that engages between the upper part of the base (3) and the head of the screw (2) in order to seal the void defined between the two the assembly formed by the base (3) and the closure cap (4) defining an outer surface that has uniform continuity.Pilar de retención de prótesis dentales, dicho pilar (1) del tipo del tipo de los que se fijan sobre implantes dentales o pilares transepiteliales mediante el empleo de tornillos (2), donde dicho pilar (1) comprende； un tornillo (2) cuya cabeza comprende una protuberancia sustancialmente esférica, una base (3) cuya cara inferior conecta con la cabeza del implante o pilar transepitelial y en cuyo interior se aloja la cabeza del tornillo (2) y un tapón de cierre (4) que encaja entre la parte superior de la base (3) y la cabeza del tornillo (2) para sellar el hueco definido entre ambas, donde el conjunto formado por la base (3) y el tapón de cierre (4) define una superficie externa que presenta una continuidad uniforme.
