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ORIGINAL ARTICLE
Year : 2021  |  Volume : 9  |  Issue : 2  |  Page : 128-135

The cephalometric norms of afro-arab population


Department of Orthodontics, Pedodontics and Preventive Dentistry, Faculty of Dentistry, University of Khartoum, Khartoum, Sudan

Correspondence Address:
Prof. Amal Hussein Abuaffan
Department of Orthodontics, Pedodontics and Preventive Dentistry, Faculty of Dentistry, University of Khartoum, Khartoum
Sudan
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jhnps.jhnps_64_21

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Objectives: We aimed to determine the skeletal and dental cephalometric norms for Sudanese adults. Materials and Methods: A total of 106 lateral cephalograms (51 males and 55 females) aged 18–25 years with Class I occlusion and well-balanced profile were enrolled in this study. Twenty-seven variables were analyzed digitally by VistaDent software according to the McNamara, Tweed, and Jarabak analysis. Results: A statistically significant difference between genders was found in the skeletal variables (sella-nasion-B point angle, A point-nasion-B point angle, facial plane angle, Y-axis, mandibular to anterior cranial base angle, mandibular to Frankfort horizontal plane angle, mandibular to maxillary plane angle, anterior cranial base length, posterior facial height, anterior facial height, lower anterior facial height, effective maxillary length, effective mandibular length, and maxilla-mandibular difference) and dental variables (maxillary incisor to anterior cranial base angle, mandibular incisor to Frankfort horizontal plane angle, and lower incisor edge to A point-pogonion line distance). Skeletally, Sudanese males had more prognathic maxilla and more prominent chin. The males had longer midfacial lengths and mandibular lengths. Sudanese adults had a tendency toward bimaxillary protrusion with slight dental proclination than Arab, and less protrusion compared with African or African American populations. Conclusion: The results give a better insight for proper diagnosis and treatment planning for Sudanese orthodontic and orthognathic patients.


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