A device for recording images of a patient's jaw includes a holder carrying a radiation window disposed externally of the patient's mouth and mounting a carrier disposed within a patient's mouth. A biting element is connected to the carrier and projects toward the window and the carrier provides a surface...http://www.google.fr/patents/US4707847?utm_source=gb-gplus-shareBrevet US4707847 - Device for taking a picture of a jaw part
