Introduction: With advancement in diagnostic techniques, the utilization of radiologic examination has risen to many folds in the last two decades. Ionizing radiations from the radiographic examination carry the potential for harm by inducing carcinogenesis in addition to the diagnostic information extracted. Radiation doses utilized in the course of dental treatment might be low for individual examinations but patients are exposed to repeated examinations very often and many people are exposed during the course of dental care. Therefore, principles of radiation protection and safety are necessary for the dentists to follow to ensure minimum and inevitable exposure. Aim:The aim of this study was to investigate the knowledge and behaviour of general dentists practicing in the National Capital Region (NCR) regarding radiation safety during oral radiographic procedures. Materials and Methods:The study was a questionnaire based cross-sectional study. A total of 500 general dentists were contacted to participate in the study. The target population entailed of general dentists practicing in the National Capital Region. Data was computed and tabulated in Microsoft excel sheet and statistical analysis was performed with the help of SPSS version 21.0. Results:The total response rate recovered was 70.6% and the respondents comprised of 59% and 41% males & females respectively. Only 64.8% of the general dentists contemplated thyroid to be the most important organ for radiation protection. Only 28.8% of the general dentists followed the position & distance rule appropriately. Conclusion:The results showed that the knowledge and behaviour of the general dentists and the practices adopted by them regarding radiation safety is not satisfactory. To ensure the following of basic and necessary guidelines for radiation safety and protection, strict rules with penalties should be implemented by the state councils and new and interesting methods of education for this spectrum of the field should be introduced.

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