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DR & Imaging - CAPTURE 3 - Position the Sensor

Positioning the Sensor is the third step in the CAPTURE workflow.

  1. Create A Visit
  2. Add Visit Details
  3. Position the sensor <---
  4. Take the images
  5. Use any post-processing tools
  6. Review the Layout
  7. Export, Print, or View in full-screen

While positioning the sensor, it is important to follow the sensor manufacture's guidelines on sensor positioning as defined by the anatomy, rotation, exposure, and aesthetic of the desired resulting image. There are no specific guidelines to positioning in terms of the MacPractice software, however positioning the sensor appropriately is directly related to radiation dose and plays an important role in the final diagnostic quality of any image.

Before capturing the first image, consider this general information on Radiation & Positioning:

  • Radiation: The ideal radiation to shoot for is 7 milliamps, 70 kilovolts, 16 pulse (time). Radiation should also be decreased depending on the image to be taken. For images of children, or for anterior teeth on adults, there should be a 30% decrease in radiation compared to an adult posterior image. This may be adjustable on the radiation source. If the radiation source is not adjustable, positioning can be used to decrease radiation. For example, repositioning the radiation source back three inches would decrease the radiation 30%.
  • Positioning: Positioning is extremely important in the quality of x-rays. The radiation source should be as perpendicularly positioned with the sensor as possible. Incorrectly positioning the sensor can create inconsistent exposure across an image. For instance, the area between the teeth should be consistently dark from one side of the image to the other. If one side of the image appears to be lighter than the other, this indicates a problem with positioning.
For more information on image positioning and the relationship between final quality and the Digital Radiography device, please see the Contextual Guide to Post-Processing.
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