1964 Volume 6 Issue 3 Pages 111-121
It is a matter of common acceptance that the form of dental arch is influenced more or less by the positions of teeth and, at the same time, the positions of teeth vary not only in terms of individual differences in the positions themselves but also in terms of individual differences in the size of dental arch and differences in the size between upper and lower jaws.
In the present paper, the authors are concerned with the measurement on the relative positions of teeth, properly eliminating these differences based on definite standards, so that we might determine differences of the relative positions of teeth owing to age, sex and jaw in the measured data. An effort was further made to look into a relation between the relative positions of teeth and the average form of dental arch concerned.
