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CAD/CAM – international magazine of digital dentistry No. 4, 2017

| cone beam supplement new dimention of imaging Sharp images Low radiation dose Excellent image quality is essential for treatment planning and diagnosis. In CBCT, exposure is incorpo- rated in the FOV. This means that only one rotational sequence of the gantry is necessary to acquire enough data for image reconstruction. “In implantology, a CBCT image is indispensable for planning simulation and determining the exact nerve location. With only one image, the entire dental arch can be visualised, which allows for optimal diagnostic planning possibil- ities. X-Mind trium has a range of FOV options dis- played in detail and without movement artefacts. He emphasised that the exposure time is very low and the reconstruction time is three seconds. We saw that, with a cephalometric image, the entire maxillofacial area is shown, making it highly suitable for oral and maxillofacial surgeons. Furthermore, it has a small voxel size of only 75 µm and a fast reconstruction time of 29 seconds. X-Mind trium can be equipped with one or two sensors for an efficient workflow. With ACTEON’s expertise in medical imaging, a ded- icated analytical algorithm has been implemented for X-Mind trium. “We have achieved exceptional results, which are able to provide advanced clinical indicators that will be helpful for practitioners in the future,” stated Giani proudly. “The analytical algorithm has been developed in terms of the graphics processing unit (GPU) and a specific type of GPU is installed inside the workstation of X-Mind trium when the CBCT function is configured,” explained Giani. This algorithm is used to determine the apparent image definition and bone density to facilitate clinical decision-making. The filters ensure detailed record- ing of the image acquisition by low-noise micro-step- ping motors. With X-Mind trium, high radiation exposure is a thing of the past. The low-radiation protocol de- creases the required amount of X-ray emissions by a third using the algebraic reconstruction technique. This means that the radiation dose for the patient can be reduced by 50 to 70 per cent. This low-dose imaging guarantees a maximum FOV with minimal radiation exposure to the patient. “This is essential because we do not care only about good images but also about the well-being of the patients,” stated Reither. Furthermore, the software of X-Mind trium monitors radiation and ensures that the levels of exposure are kept low. User-friendly software Computer scientists would say the software is as important as the hardware. ACTEON provides intui- tive and ergonomic imaging software that has all the required functions—scanning, measuring, editing, commenting. In the factory cellar, Reither explained the special features of the ACTEON Imaging Suite software and stated that it can be linked to most practice management software and all ACTEON im- aging products, such as the X-Mind trium, CBCT and panoramic devices, and intraoral scanners. It is com- patible with both macOS (and soon iOS) and Win- dows and has a TWAIN driver for full compatibility with all imaging software. This gives practitioners the ability to move around and interact directly with their patients. The radiographic unit is in continual operation at most dental practices. It is clearly imperative then to ensure that dental professionals have the skills to adequately handle the devices and take high-quality 50 CAD/CAM 4 2017

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