Dental attachment for fixing dental prostheses

A dental attachment for fixing dental prosthesis to healthy teeth, comprising a male portion which can be rigidly fixed to a healthy tooth and a female portion which is fixed to the dental prosthesis, the male portion comprising two pins which are adapted to be secured by one of their ends in a healthy tooth, the other end of each of said pins having a head portion which is retained in an opening provided in the male portion by means of a plate having a T-shaped slot through which the pins extend, the thickness of the head portions of the pins being less than the depth of the opening, the male portion having a coupling portion having three frustoconical drillings with their axes parallel, the drillings flaring outwardly upwardly and being disposed in a triangular configuration, the female portion comprising three conical pins which are partially embedded within a mass of plastics material, said three pins having their axes parallel and being disposed in a triangular configuration, the mass of plastics material having an aperture permitting the pins to be engaged with the frustoconical drillings of the coupling portion of the male portion.