Abstract
Abstract In the present study, longitudinal growth changes in the maxilla, mandible, and maxillary-mandibular relationship occurring between the ages of 10 and 14 years were evaluated in 19 female and 15 male subjects. All subjects had a clinically- acceptable occlusion, a normal growth pattern, and none had undergone orthodontic treatment. Serial cephalometric radiographs were taken at the ages of 10, 11, 12, and 14 years. The effects of age and sex on the sagittal growth of the jaws were studied by means of variance ana lysis. The results show that A-Ptm, B-Ptm, Pg-Ptm, A'-Ptm, B'-Ptm, and S-N-Pg measurements were affected by age, and the measurements A-Ptm, A'-Ptm, Wits and ANB by sex. Duncan's multiple range test was applied to those measurements where F values were found to be statistically significant. As a result, it was observed that the greatest growth changes occurred between 12 and 14 years old.
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