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30.05.2015

Razor-sharp images

What modern 2D panoramic x-ray equipment has in common with cooking. X-ray diagnostics are like cooking: high-quality ingredients are the basis for culinary enjoyment, but it is the choice of the right seasoning which makes the subtle difference between a good meal and an excellent one. Just as an unexpected pungency arouses unexpected nuances of taste, sharp x-ray images reveal subtle anatomical details which would otherwise remain hidden. Just as there are many cooking recipes, today there are also many high-performance x-ray units.

But only the best in both fields manage to leave a lasting impression. To find out where the fine difference between "good" and "outstanding" lies, it is best to sample and to compare. Dr. Wiebke Semper-Hogg, Head of the Imaging and Implantalogical Diagnostics section of the » Center for Dental Medicine at the University of Freiburg, has done exactly that with the new VistaPano S, and is highly enthusiastic about the results. With its high speed and reduced radiation dosage, the innovative 2D panoramic x-ray equipment has allowed the experienced radiology expert to gain new insights into diagnostics.

Her colleagues at the clinic, too, have now developed a taste for it and are asking expressly for VistaPano shots. "Individual colleagues are already asking for VistaPano images because of their sharp detail, as an alternative to conventional x-rays", says Semper-Hogg, "because the vertical bone available and the path of the nervus alveolaris inferior are shown very clearly – which is a vital consideration in implantological diagnostics, for example – always providing, of course, that a 2D shot is sufficient." Semper-Hogg knows what she is talking about: over the years she has had sufficient opportunities to try out various panoramic systems and to test them thoroughly. What was important to her was not the beauty of the picture, but the possibility of achieving a certain diagnosis in a simpler way, she says. Cetain initial diagnostics, and in some cases even extended initial diagnostics, can, in her opinion, best be guaranteed by the » VistaPano S, with its innovative S-Pan technology.

The radiologist, like her colleagues, was astounded to see how quickly and precisely the concrete dimensions of fracture gaps can be seen, for example. "In normal clinical work we take, I would say, 150 panoramic tomographs a week, so we have good opportunities for comparison. We noticed immediately that VistaPano shots have very good image quality," says the expert.

This exceptional image quality is based on the innovative S-Pan technology: while conventional digital equipment creates panoramic shots based on a single layer, the new x-ray system uses 20 layers which are superimposed and extend far into the jaw. When generating the x-ray image, the equipment automatically looks within these 20 layers, each of which is divided into 1,000 fragments, to find the sharpest area of the jaw, and combines the results to make the best possible panoramic image. Therefore, the detail, contrast and sharpness of the image are outstanding, Dr. Wiebke Semper-Hogg affirms.

But it is not just sharpness which is important, but speed, as well. Particularly in the work performed at a clinic, with many different patients, including patients with physical illnesses and complex findings, as well as children, every second literally counts. Thanks to its fast-scan mode, the new 2D panoramic x-ray system needs only seven seconds for an OPG, and simple "face-to-face" positioning is also helpful when dealing with patients, both young and old.

"Our x-ray team is impressed by the user-friendly operation and navigation, since it helps to maintain trouble-free operation during the x-ray process", says Semper-Hogg. "All settings can be seen at a glance on the intuitive seven-inch touch display. Inaccuracies in patient positioning are also evened out, and there is no need for repeated shots. That saves time, and the patient is not exposed to unnecessary radiation."

The job of the automated fast-storage function in the » DBSWIN imaging software is to ensure that no shots get lost, even under difficult circumstances. It also makes it easier to document images which the VistaPano S has produced.

With a total of 17 different x-ray programs, including four children's programs, the system is equipped for a broad diagnostic range. Along with the panoramic function, it also fully covers bite wing shots, jaw-joint shots for functional diagnostics, sinus shots to show the paranasal sinuses, and hemiplegic shots. In the children's shot mode, with reduced exposure area, the radiation dose is also reduced by 45 to 56% without losing any diagnostic information. "I think the system is suitable for all fields of dental medicine,” Dr. Semper-Hogg asserts. "The VistaPano S is highly recommended, in particular for practices which place a high value on uncomplicated and rapid diagnostics and which consider it important to produce images in a patient-friendly manner with as little radiation dosage as possible and a low turn-around time."

Published by: rf/tk 04/16
A visitor to the fair testing the VistaPano S at the IDS 2015

A visitor to the fair testing the VistaPano S at the IDS 2015