Method for producing a prosthetic acetabulum which method comprises the steps of: a) making available a ceramic cup (1) that has a concave internal receiving face (3) and has an external annular receiving structure (6) b) making available a placement and orientation insert (7) that has an annular peripheral fixing structure (10) designed to cooperate with the receiving face (9) of the external annular receiving structure (6) by engaging around the external annular receiving structure (6) c) heating the placement and orientation insert (7) in order to increase the dimensions thereof d) engaging the annular peripheral fixing structure (10) around the receiving face (9) of the external annular receiving structure (6) e) returning the placement and orientation insert (7) to ambient temperature in order to reduce the dimensions thereof in such a way as to obtain a radial clamping of the annular peripheral fixing structure (10) on the external annular receiving structure (6).
