X-ray apparatus and scanners for medical and dental purposes; apparatus for Cone Beam Computer Tomography (CBCT) for medical and dental purposes; medical and dental apparatus, namely, apparatus for cephalometry and cephalometric imaging; dental x-ray and video apparatus; computerized x-ray apparatus for medical, surgical, diagnostic, dental, odontologic, orthodontic purposes and for dentistry; video and x-ray image capture boards for medical, surgical, diagnostic, dental, odontologic, orthodontic purposes and for dentistry; optical and x-ray scanners for medical, surgical, diagnostic, dental, odontologic, orthodontic purposes and for dentistry; laser positioning devices for medical use; panoramic x-ray machines for medical, surgical, diagnostic, dental, odontologic, orthodontic purposes and for dentistry; optical coherence tomography (OCT) imaging apparatus and scanners for medical and dental purposes; intra-oral optical coherence tomography (OCT) scanners for medical and dental purposes; intra-oral x-ray machines and digital dental panoramic machines for medical and dental purposes; intra-oral video cameras for dental purposes; digital sensor apparatus for intra- and extra-oral cephalometric x-ray imaging for medical use in diagnosis, computer topography devices for dental use; computer-aided image processing devices for medical and dental purposes; dental x-ray diagnostic apparatus; medical and dental apparatus, namely, dental optical coherence tomography (OCT) diagnostic apparatus; medical instruments for detection of skin diseases; medical instruments for use in dermatology, namely, medical skin abraders, medical apparatus for measuring skin hydration