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Year : 2013  |  Volume : 3  |  Issue : 2  |  Page : 54-59

An assessment of Dental Students' knowledge of radiation protection and practice

1 Department of Restorative Dentistry, University of Benin, Benin, Nigeria
2 Department of Radiology, University of Benin, Benin, Nigeria

Correspondence Address:
Joan E Enabulele
Department of Restorative Dentistry, University of Benin, Benin
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-7761.136044

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Objective: To assess dental students' knowledge of dental radiation protection and practice as well as correlating their knowledge to practice on dental radiography. Materials and Methods: A cross-sectional questionnaire based study on radiation protection among dental students. Correct responses to the questions were allocated 1 mark while wrong response received no mark. Statistical analysis was performed using SPSS version 17 (Chicago, IL.). Pearson's coefficient correlation analysis was performed to establish relationship between various variables with the significant level set at 5%. Results: The study was conducted among 78 final year dental students, of which 32 were females and 46 were males. The mean score of the students on knowledge of radiobiology was 1.85 ± 1.19. Knowledge of radiation protection was abysmally poor with mean score of 0.92 ± 0.80 while the mean score of radiation protection practice was 2.69 ± 1.42. There was no significant correlation between the number of radiographs taken and knowledge of radiation protection or practice. A greater proportion of students with ''good'' radiation protection knowledge in comparison to those with ''poor'' knowledge kept a distance of over 3 metres from the patients/X-ray tube, wore lead apron, used the lowest possible settings on the X-ray machine and used collimators. Most (75.6%) of the students thought they did not have adequate knowledge on radiation protection. Conclusion: There is need to expand the curriculum to provide better exposure to radiation protection and its practice, so that these students on graduation will be well grounded with the principle governing dental radiography.

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