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ARTICLE
Year : 2010  |  Volume : 15  |  Issue : 2  |  Page : 37-45

A distribution of antero- Posterior skeletal jaw relationship in 12-15 year old Nigerian school children in Benin City


Department of Child Dental Health, Faculty of Dentistry, College of Medicine, University of Nigeria, Enugu Campus, Enugu, Nigeria

Correspondence Address:
N Folaranmi
Department of Child Dental Health, Faculty of Dentistry, College of Medicine, University of Nigeria, Enugu Campus, Enugu
Nigeria
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Source of Support: None, Conflict of Interest: None


DOI: 10.4314/jcm.v15i2.5

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Objective: To determine the antero-posterior skeletal jaw relationship, in 12 -15 year old Nigerian school children in Benin city. Materials and Methods: Lateral cephalometric radiographs of 100 subjects aged 12-15 years with no history of orthodontic treatment were taken for this study. The radiographs were manually traced and analysed to generate values for SNA, SNB and ANB. Result: The mean age of the population studied was 12.16years. There were 40 males (40%) and 60 females (60%). No significant difference was noted in the mean value for males and females (p<0.05). The mean SNA was 88.78° ± 3.99°, SNB 85.26° ± 3.82°, ANB 3.47° ± 2.31° .The ANB values ranged from 1.50° to 4.750°. Conclusion: No significant difference was noted in the values for males and females. The skeletal pattern is defined by the ANB value.


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