共 2 条
[1]
Helkimo E,Carlsson GE,Helkjmo M.Chewing efficiency and state of dentition. Acta Odontologica Scandinavica . 1978
[2]
Gunne H-S J.Masticatory efficiency a new method for determination of the breakdown of masticated test material. Acta Odontologica Scandinavica . 1983