An improved intraoral x-ray system that includes a dental tray with the shape of a dental arch and can be positioned within the oral cavity, for accommodating image detectors at the lingual (or, palatal) side of the tray； an image processing system, situated external to said oral cavity, for converting the image data detected by the image detector to a viewable image； a mechanism for transferring the image data to the image processing system； and a display unit for displaying the image.
