An Important Property of the Masticatory Force

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Abstract
If S, M and F are respectively the mean tooth surface slope, the angle of chew and the masticatory force direction (all measured with respect to the occlusal plane), it was shown that [image] where K is a constant depending on the food and on the steepness of the cusps when anatomic teeth are used. This relation is important to full and partial denture design, as well as to the study of the forces applied to natural teeth. If F = F (M,S) and F'' = F (M + [DELTA], S + [DELTA]), F[image] - [DELTA]= F. This relationship is useful for the simplification of graphical methods for determining F versus S for different angles of chew.

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