A method and apparatus for producing a X-ray image of a patient's teeth by placing an intra-oral sensor having a plurality of pixels disposed in a linear array inside the patient's mouth, and moving a radiation source around outside of the patient's mouth. The intra-oral sensor detects the radiation...http://www.google.co.uk/patents/US5995583?utm_source=gb-gplus-sharePatent US5995583 - Dental radiography using an intra-oral linear array sensor
