Imaging Science in Dentistry

Korean Academy of Oral and Maxillofacial Radiology (대한영상치의학회)
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Panoramic radiological study to identify locally displaced maxillary canines in Bangladeshi population

  • Alif, Sheikh Mohammad (Department of Public Health, Northern University) ;
  • Haque, Sejuty (Department of Science of Dental Materials, Bangladesh Dental College) ;
  • Nimmi, Naima (AIKO Dental Clinic and Implant Centre) ;
  • Ashraf, Ali (AIKO Dental Clinic and Implant Centre) ;
  • Khan, Saeed Hossain (Department of Dentistry, Bangladesh Institute of Research and Rehabilitation in Diabetes, Endocrine and Metabolic disorders (BIRDEM): WHO Collaborating Centre and Ibrahim Medical College) ;
  • Khan, Mahfujul Haq (Department of Dentistry, Bangladesh Institute of Research and Rehabilitation in Diabetes, Endocrine and Metabolic disorders (BIRDEM): WHO Collaborating Centre and Ibrahim Medical College)
  • Received : 2011.06.29
  • Accepted : 2011.09.07
  • Published : 2011.12.31
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Abstract

Purpose : This study was performed to determine the prevalence of maxillary canine impaction on a basis of a single panoramic radiograph in Bangladeshi population. Materials and Methods : A random sample of seven hundred panoramic radiographs was collected from the patient record of a dental clinic. All the selected panoramic radiographs were taken from January 2009 to August 2010 by a single panoramic radiograph machine with the same exposure time (19 seconds) for all radiographs. One hundred and twenty panoramic radiographs were excluded to minimize the selection bias. In a dim lit room, an observer assessed the radiographs on a standard radiographic light box. The position of the impacted maxillary canine was recorded in line with the longitudinal axis of a tooth using the edge of a metal ruler. Data were subsequently put on SPSS 11.5 software and chi-square (${\chi}^2$) tests were applied to find out the association. Results : Among 580 panoramic radiographs it was found that impacted maxillary canines were present in only 7 (1.2%) radiographs. A statistical significant difference was found between the age of the patients and the vertical position of the impacted canines (p=0.000) and between the age of the patients and the horizontal position of the impacted canines (p=0.003). Conclusion : The prevalence was found to be low compared with the present study from the limitation of panoramic image. Further study needs to include three-dimensional imaging modality.

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References

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