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Cone beam computed tomography (CBCT), also known as digital volume tomography (DVT), is a special type of X-ray technology that generates 3D images. In the recent years, CBCT has been developed specifically for its use in the dental and maxillofacial areas [ 4 ] to overcome the limitations of 2D imaging such as buccolingual superimposition. [ 25 ]
Total radiation doses from 3D dental CBCT exams are 96% lower than conventional CT exams, but deliver 5-16x more radiation than standard dental 2D x-ray (OPG). The time of exposure in CBCT is also comparatively less when compared to conventional CT.
However, at times the image produced can show limited information because it is only a 2D image. Intra-oral cameras (IOCs) allow an operator to see a clear image of the inside of the mouth. Similar to the size of a dental mirror IOCs have a tiny camera that is able to detect more on the 3D surface of a tooth than a 2D x-ray image is able to show.
SprintRay Inc. is an American technology company that develops and manufactures 3D printing hardware, software, and materials solutions for the dental market [2].It was founded in 2015 by 2 Ph.D students at the USC Viterbi School of Engineering, entering the dental market shortly after a successful Kickstarter campaign in 2016 that raised over $400,000 [3].
Planmeca also introduced a new SCARA technology in its X-ray units, which enabled free formation of imaging geometry. In the 2010s, the concept of Digital perfection was launched. The combination of a digital intraoral scan, a 3D X-ray (CBCT) and a 3D facial photo provides comprehensive information on the patient’s anatomy.
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