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Introduction: Cone Beam Computed Tomography (CBCT) is a 3-Dimensional imaging technique where a wide cone-shaped X-Ray beam is used for scanning. It has several advantages over the conventional CT system and has become increasingly used in different fields of dentistry.

Objective: To assess the present knowledge and awareness of CBCT among the dental practitioners and interns of Kathmandu Medical College and Teaching Hospital.

Material and Method:  A cross-sectional study was conducted among 90 dentists and interns of Kathmandu Medical College and Teaching Hospital through a self-administered questionnaire survey. Data were analysed using the Statistical Package of Social Sciences (SPSS) version 16 software.

Result: All the participants (100%) were aware of CBCT in dental radiology and among them, 89 (98.9%) participants considered it as a useful diagnostic tool in dentistry. The majority of the participants (54.4%) also believed CBCT had a lower radiation dose compared to conventional medical CT. The majority of the participants (88.9%) had adequate knowledge of various use of CBCT in dentistry. Teaching on CBCT for undergraduates was found to be inadequate by 59 (65.6%) participants. Most of the participants (62.2%) had never attended any courses on CBCT and 80% of the participants felt the need for conducting frequent continuing dental education or workshops in the future to acquire more knowledge on CBCT.

Conclusion: CBCT has proven to be a useful imaging modality in dentistry. The need for various undergraduate courses, seminars, continuing dental education, and workshops to enhance further knowledge about CBCT was acknowledged by most of the participants.

Attitude; awareness; cone beam computed tomography; knowledge; radiation.