alexa Posteroanterior Cephalometric Analysis: The Norms for I
e-ISSN: 2320-7949 and p-ISSN: 2322-0090

Research & Reviews: Journal of Dental Sciences
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Research Article

Posteroanterior Cephalometric Analysis: The Norms for Iranian Population

Dr. Iman Alekajbaf11*, Dr. A. Hamid Zafarmand2

1Orthodontic Resident, Iran

2Associate Professor, Department of Orthodontics, Shahid Beheshti University of Medical Sciences, School of Dentistry, Evin, Tehran IR of Iran

*Corresponding Author:
Dr. A. Hamid Zafarmand
Associate Professor, Department of Orthodontics
Shahid Beheshti University of Medical Sciences
School of Dentistry, Evin, Tehran IR of Iran 19839
Tele/fax:+98 (21) 22 42 18 13
E-mail: [email protected]

Received date: 01/10/2015 Accepted date: 13/11/2015 Published date: 22/11/2015



Background: This research was designed to establish the posteroanterior (PA) radiograph norms for Iranian adult population. It also aims to distinguish any possible differences between genders. Finally, it will compare these norms with the norms of other populations.

Materials & Method: The population enrolled in the study was 60 Iranians aged between 18 and 45 years. Those included in the study satisfied the most important inclusion criteria: (i) Iranian origin (ii) bilateral Angle class I molar and canine relationship (iii) no history of orthodontic, orthognathic or orthopedic treatment. Purposive sampling technique was used to select participants for the study. Posteroanterior Radiographs were taken with teeth in centric occlusion and lips at rest position. Fourteen skeletal and dental linear measurements were determined on each radiograph. The ANOVA and Independent t-test were undertaken to analyze the data.

Results: There was no statistically significant difference between dental measurements, among different age groups. Eight of ten skeletal measurements showed significant difference in both genders, but no differences were found within different age groups. The Iranians PA radiograph norms were different from those of other nations.

Conclusion: Iranian PA radiograph norms are unique and should be incorporated in orthodontic treatment plan for Iranian patients.


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