Viewing apparatus to facilitate the measurement and the diagnosis 3d by optical impression in dentistry

Device for visualization of the interior of a mouth of a patient, the device comprising a camera in three dimensions adapted to take an optical impression of organs of the mouth, characterized in that it comprises a pair of reality glasses having increased on the one hand, an optical lens through which a wearer of the spectacles may see inside the patient's mouth and, on the other hand, a viewing camera filming that the wearer sees the through the optical glass, raw images obtained from the imaging camera are correlated with second images obtained from the camera in three dimensions, at least the first or the second images being projected onto the optical glass.