The influence of retention of upper and lower complete dentures on masticatory efficiency.

In this investigation the denture retention was measured and the influence of denture -retention on ima'sticatory efficiency was examined. The investigation was iperf armed on 36 comiplete denture wearers. The test of masticatory efficiency wals used according to Ni'kšić (1965). The meaisuriinig of denture retention was made by specially constructed mechanical scale, which wa's designed so that the load on the scaile cou'Id be converted into the (pulling force which acted against foirces of retention. The correlation between specific denture retention and masticatory ef­ ficiency showed no correlation for the variables of the lower deintuire, and slight, but not significant correlation for the variables of the upper denture.