[Clinico-statistical and biometric evaluation of the effectiveness of the Fränkel method for the treatment of distal bite].

84 patients with distocclusion were treated with type I and type II function regulators for two years. Correlation analyses showed that the dental arch width and length as well as the apical base are positively influenced and the there are significant correlations between treatment expenditure and treatment duration, between treatment duration and the summary changes in measuring data, and between treatment expenditure and the changes in measuring data. Almost recurrence-free, positive therapeutical results were achieved. Fränkel's method is recommended for practice.