الفهرس 
AcknowledgementOnly 14 pages are availabe for public view
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Abstract
This study was conducted to evaluate the selected smile parameters variations between Angle class I and class II individuals and to analyze the difference between females and males to help in reaching the optimum treatment modalities required. The selected sample consisted of 100 subjects which were divided equally to 50 Angle class I and 50 Angle class II (division 1 and division 2, with class II molar and canine relations bilaterally). The subjects of class I were subdivided to 26 males and 24 females, while subjects of class II were subdivided to 25 males and 25 females.