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Imaging Sci Dent. 2011 Dec;41(4):155-159. English. Original Article. https://doi.org/10.5624/isd.2011.41.4.155
Alif SM , Haque S , Nimmi N , Ashraf A , Khan SH , Khan MH .
Department of Public Health, Northern University, Dhaka, Bangladesh.
Department of Science of Dental Materials, Bangladesh Dental College, Dhaka, Bangladesh.
AIKO Dental Clinic and Implant Centre, Dhaka, Bangladesh.
Department of Dentistry, Bangladesh Institute of Research and Rehabilitation in Diabetes, Endocrine and Metabolic disorders (BIRDEM): WHO Collaborating Centre and Ibrahim Medical College, Dhaka, Bangladesh. mahtink@yahoo.com
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 (chi2) 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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