History doesnt change the past but likely it changes the future. A dive into the history of Digital imaging is a necessity as it is a boon in the digital era. Dawn of the digital era in dental radiology came in 1987 when a French company Trophy Radiology in Europe launched the first digital system– Radiovisuography (RVG). Dr. Francis Mouyen, (1989) used fibre optics to narrow down a large radiographic image onto a smaller size that could be sensed by a sensor chip which was made by Finnish Engineer Paul Suni. This review article discusses the historical review and technological evolution ,various generation of the radiovisuography and summarizes the various studies for the comparison with the conventional imaging