Objectives:

to test the hypothesis of sex-dependent differences among individuals using the Wits appraisal.

Methods:

a descriptive cross-sectional study was conducted with 135 lateral cephalometric radiographs of patients over 18 years old (78 women and 57 men), classified as skeletal class I according to the ANB angle. The Wits appraisal values were measured and compared between sexes using the Mann-Whitney test to evaluate the hypothesis guiding this work.

Results:

the median value of the Wits appraisal was -1.77 mm. in women and -1.16 mm. in men. No statistically significant differences were found between sexes (p = 0.5597).

Conclusions:

it is suggested that in orthodontic practice, no adjustment of the norm between sexes be made when establishing the skeletal class diagnosis

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