الفهرس 
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Abstract
The purpose of this study was to evaluate the craniofacial changes of skeletal Class III malocclusion in two different age groups, and compare them to those of normal skeletal Class I. The sample of skeletal Class III included 79 individuals; 41 in mixed dentition stage, and 38 in permanent dentition stage. The control group included 83 individuals; 40 in mixed dentition stage, and 43 in permanent dentition stage. Lateral and postero-anterior films were taken for each individual, then digitally analyzed, and planned measurements were performed.