![]() An example of this is the X-pod from MyRay ( which is a completely self-contained hand-held unit. ![]() Most manufacturers place a small electronics control box along the USB cable to perform image processing and speed up the image transfer.ĭigital radiology systems are now more user friendly. There are currently two new sensors with that capability, DEXIS Platinum ( and e2v ( Note that the size of the intraoral sensor limits the amount of built-in electronics. One downside is that CMOS sensors do require more radiation because they are less sensitive, with 25% more exposure needed.Ī related benefit with CMOS technology, however, is that the electronic interface components can be built into the CMOS chip directly, which allows the sensor to plug directly into a USB2 port. CCD technology has a narrow dynamic range that will saturate with increased radiation, so blooming occurs (ie, black image). This means CMOS technology is more tolerant to overexposure increasing x-ray exposure improves signal-to-noise ratio, thus reducing noise perception. This is an advantage for manufacturers because they are less expensive, require less energy, and offer the advantage of a broader dynamic range. Most new digital radiographic sensors now use CMOS chips versus CCD chips.
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