“…A large variety of prostheses have been designed and new ones are continually becoming available. However, no ideal type of prosthesis for all cases has been developed (Attenborough 1978, Coventry et al 1973, Freeman & Swanson 1972, Lettin et al 1978, Mazas et al 1973, Sheehan 1978, Shiers 1954, Walldius, 1957.…”