The aim of this study was to compare Wits Appraisal with Palatal Plane/A-B measurement which is also used to evaluate maxillomandibular sagittal relationship. 54 measurements have been made on 203 lateral cephalograms of untreated adults and z scores of these have been calculated in order to make them comparable. After subtraction of z scores of the combinations; four groups were established according to the differences between them. (-∞

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