| ARTICLE |
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| Year : 2009 | Volume
: 14
| Issue : 2 | Page : 60-65 |
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Gonial angle values in 12 to 15 year – old Nigerians
N Folaranmi
Department of Child Dental Health, University of Nigeria Teaching Hospital, Enugu, Nigeria
Correspondence Address:
N Folaranmi
Department of Child Dental Health, University of Nigeria Teaching Hospital, Enugu
Nigeria
 Source of Support: None, Conflict of Interest: None
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Background: this study was carried out on 12 – 15 year old Nigerian school children to measure and provide baseline data for the gonial angle.
Study design: One hundred orthodonticaly untreated subjects were randomly selected by multistage sampling to participate in this study.
Lateral cephalometric radiographs of the one hundred, 12-15 years old school children, were taken. Manual tracings of the cephalograms were done and the measurements were recorded, summarized and statistically analyzed.
Result: The mean age of the population studied was 12.16years. There were 40 males (40%) and 60 females (60%). The gonial angle for males was found to be 128.04° ±3.69° while that for females was 128.67°±4.99°.
No significant difference was noted in the mean value for males and females. (p<0.05). Following a combined data analysis for both males and females, the mean biological gonial angle value obtained was 128.42° ± 5.05°.
Conclusion: No significant difference was noted in the values for males and females.
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