A glenoid implant (10) has an anatomically formed body comprising of metal and/or plastic materials. It further has a contact surface (20) adapted to extend the surface of a glenoid and to bear a Humerus. In the implant body there is at least one hole (21,22) with a screw head seating area for holding the head of a screw (40) which may be screwed into a glenoid for fixedly attaching the glenoid implant.