Hard tissue Cephalometric Norms in Iranian adolescents
Publish place: Iranian Journal of Orthodontics، Vol: 4، Issue: 1
Publish Year: 1388
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ORTHO-4-1_010
تاریخ نمایه سازی: 25 بهمن 1400
Abstract:
Aim: Accurate information about the normal dentofacial pattern of the patients' ethnic group is of critical importance for diagnosis and treatment planning. The aim of this study was to determine hard tissue cephalometric norms for Iranian adolescents.Materials and Methods: Cephalometric radiographs of ۶۰ Iranian adolescents (۳۸ girls and ۲۲ boys) were analyzed regarding ۴ common cephalometric analyses. Mean values and standard deviations were compared with those of original analyses.Results: Average Iranian adolescents revealed more protrusive maxillary and mandibular incisors, flatter mandibular plane with a tendency to deep bite and more acute gonial angle. SNA and SNB were less in Iranian sample. In addition, posterior to anterior facial height ratio was higher in Iranians.Conclusion: Some hard tissue cephalometric norms are specific for racial groups. More protrusive incisors in Iranians might indicate more possibility of non-extraction treatment planning for this population.
Authors
Ahmad Sodagar
Associate professor, Department of Orthodontics, Faculty of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
Sepideh Arab
Assistant Professor, Qazvin