Background: Radiographs are a valuable diagnostic tool, as an adjunct to clinical examination in the diagnosis of dental diseases. Two dimensional periapical andpanoramic radiographs are routinely used in dental practice. However, therearecertain limitations of two dimensional radiographs, which can be overcome bythree-dimensional, imaging techniques such as cone beam computed tomography, magneticresonance imaging and ultrasound and other higher radiographic techniques. Aim: The purpose of this study was to assess the knowledge, practice andattitudetowards higher radiographic investigations among post graduates in the department oforal medicine and radiology.