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The International Journal of Adult Orthodontics & Orthogathic Surgery
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International Journal of Adult Orthodontics and Orthognathic Surgery

Year 1993
Volume 8 , Issue 4

Pages: 287 - 292

Cephalometric standards for white Brazilians

Cerci/Martins/de Oliveira

Lateral cephalometric radiographs were obtained from 30 individuals that were equally divided into groups by gender. Their ages varied from 18 to 31 years. All were white Brazilians with normal dental occlusions and good facial profiles. A combination of angles and linear measurements from Steiner's and Downs' analyses were determined. Means and standard deviations were calculated for the sample. Student's + test did not show a statistically significant difference between men and women. The entire sample was compared with the North American standards reported by Steiner and Downs. Statistically significant differences were found for GoGn/SN and SND angles. The statistically greater values of 1/NA(mm), 1/NB(mm), and 1/NA(degrees) for the Brazilians in dicate typical morphologic aspects with protrusive incisors. These differences and the great variation within the sample should be taken into account when formulating an orthodontic treatment plan for Brazilian


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