“…In comparison to other series of trapeziometacarpal prostheses, the number of dislocations is nearly the same as for constrained prostheses. In all series in which trapeziometacarpal prostheses have been implanted, loosening has been observed (Boeckstyns et al, 1989;Caffinie`re, 2001;Chakrabarti et al, 1997;Cooney et al, 1987;Ferrari and Steffee, 1986;Hannula et Nahigian, 1999;Hannula and Nahigian, 1999;Isselin, 2001;Moutet et al, 1990;Schuhl, 2001). Loosening is, possibly, an inappropriate term as there was no cement used.…”