Disclosed is a wrist prosthesis, and methods for implanting same, the prosthesis comprising radial component having two sides, the first side comprising a stem and the second side comprising a concave dish; a carpal component having two sides, the first side comprising a stem, and the second side comprising a ball end, the ball end being connected to the carpal component through a neck, the neck being narrower than the diameter of the ball end; and a lunate component having two sides, the first side comprising a cavity adapted to receive said carpal component's ball end, and the second side comprising a convex surface adapted to engage said radial component's concave dish.