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Troubleshooting Carestream SDK X-ray Image Quality in Version 11


Listed here are the detailed steps used in troubleshooting image quality with Carestream RVG 6100 and 6200 sensors. If you are using Version 12 of TDO, please see Troubleshooting Carestream SDK X-ray Image Quality in Version 12.


1. What integration is currently being used?

The first thing that must be done is to determine what integration is being used to acquire x-rays. To do so, first check:

Administrative > Edit Control Table > Workstation Settings

Under the Digital Radiography heading, check to see what is listed as the radiography software

  • Kodak 6000: the old kodak integration. This is no longer supported by Carestream or by TDO but there are still users who prefer this integration as it does not require much adjusting of settings to have good image quality. There is very little we can do to troubleshoot image quality or any errors that may occur. An important thing to keep in mind is while you may enjoy the image quality with this integration, better quality can actually be achieved using newer integrations, it just takes some time to setup. 
  • Carestream 6000: the Carestream Digital Acquisition Tool (or CSDAT). This integration has been phased out by Carestream. Allows for slightly more control in adjusting brightness, contrast, and gamma levels. If a user is having trouble with their sensors, the TDO_Carestream log can be used by programmers at TDO and Carestream to determine if issues are hardware related. The log is located at:

C:\Program Files (x86)\TDOffice

C:\Program Files\TDOffice

  • SDK integration: Carestream 6000 Series OR Carestream 6200 (with Carestream SDK checkbox checked): This is the newest TDO Carestream integration. 
Note: in versions of TDO prior to 11.336f there will be no checkbox for the SDK so you must browse to the Kodak directory in the TDOffice folder to see if there is a SDKenabled.txt file there.

The location is:

C:\Program Files\TDOffice\Kodak


C:\Program Files (x86)\TDOffice\Kodak

If you are not currently using the SDK and your main concern is quality, one of the first things to do will be to update to the Carestream SDK integration. If the issue is related to a potential hardware issue (for example, the sensor does not show as connected) first troubleshoot the hardware issue and then after resolving the issue, update to the SDK.

After updating to the SDK integration, you can then start adjusting for quality. And to do so, the next spot to check is the X-ray Generator.

X-ray Generator Settings

Prior to adjusting software settings, it is absolutely necessary to first verify that the correct x-ray generator settings are being used. If not, x-rays may appear grainy. There is very little that can be done with filters to adjust quality issues that stem from improper generator settings. The analogy that I frequently use is that you can have all the filters available in the world and it wont fix an x-ray that was taken with the wrong settings.

Carestream has specific x-ray generator settings:

Wall Mounted Unit: 70 KV7 MA unit with an exposure time somewhere between .10 - .16 seconds (6 to 10 pulses)

Wall Mounted Unit: 60 KV, 7 MA unit with an exposure time somewhere between .14 - .20 seconds (8 to 12 pulses)

**If the x-ray generator does not allow for the recommended KV or MA, the exposure time must be adjusted to get the proper dosage**

Nomad: With the Nomad generator, it has a fixed 60kv, and a 2.5ma so the exposure time should be .24 -.36 and it must be fully charged.

Commonly held view - We adjust the x-ray generator settings depending on the tooth

While I can see this makes sense, adjusting the x-ray generator settings for each tooth will also require you to adjust the x-ray filters each time. It is better to have the generator set to an exposure that will work for all teeth, and only adjust the filters as necessary. This cuts the amount of work required to take good quality x-rays in half. And it is very likely that filter settings can be found so almost all x-rays can be taken without adjusting the quality at all. 

If your concern is grainy x-rays it is most typically that the x-ray generator settings are incorrect. Adjust to the settings Carestream recommends and if you are unable, adjust the exposure time accordingly.

At this point, a test x-ray must be taken to train the proper usage of the integration.

Adjusting Filters in SDK

After the sensor has been plugged in, take an x-ray that as closely matches how x-rays are normally taken on a patient.

Note: Make sure that the person adjusting quality is trained in taking x-rays, otherwise the exposure may not accurately reflect the way x-rays are taken at the office and the filter settings will not be correct.

 A timer will appear if using a 6100 and begin a countdown, if using a 6200 no timer appears but a green halo will appear on the lower left of the window. Expose the sensor when ready to acquire.




  • After taking an x-ray the first thing to notice is the exposure bar circled below. Green would mean enough exposure time was used.  Red would mean not enough exposure time was used. It is helpful in determining whether exposure settings need to be adjusted. 


  • Next, there are the Perio/Endo/DEJ filters. Find the appropriate filter that provides the best starting point for adjusting quality. Try each of the filter levels as well. 
Perio/Endo/DEJ: Please note that this group is mutually exclusive, i.e. only one filter can be set.  If for example the user sets the Perio filter to a value, the Endo and the DEJ are set to none.

Perio: brighter filter

Endo: darker/medium filter

DEJ: very dark filter


  • Colors Filter: Once the proper PERIO/ENDO/DEJ setting has been found, the Colors Filter is helpful in making final corrections. Ask the Doctor what would improve the exposure: more contrast, darker or brighter and then open the colors filter. To open the colors filter, click the green half moon icon.


There are three sliding options which we will concern ourselves with: Brightness, Contrast, and Gamma. To begin, ensure that all value are set at zero as shown below.





Typically the best filter to start with is the Gamma filter. If the office wants a darker image, click on the slider and move to the right asking the office to tell you when to stop. If the image should be lighter, slide to the left. When a suitable level has been found. Ask if the image needs more or less contrast, and then follow the same steps for the contrast slider. And then the brightness filter if necessary. Once you are happy with the image, click the Save button to save your own custom filters. Have a staff member write down the values listed just in case someone accidentally changes it. The next time an x-ray is taken, it will use the settings you have chosen. 

Changing Color Filter settings

If a specific x-ray needs to be adjusted, open the color filter box and make whatever adjustments necessary. But do not click the SAVE button unless you want those to become the new default values.

 Applying Settings to Other Operatory Computers

If there are any other operatory computers where quality needs to be adjusted, these settings can be reproduced by having a staff member take an x-ray of anything (a file or instrumentation) and then applying the PERIO/ENDO/DEJ settings as well as Color Filter settings that you have found for the first machine and then clicking Save. The only time where you would need to go through this same process of adjusting everything would be if a different x-ray generator is used and the exposure time is different. 

At this point, the staff and doctor should be aware how to properly adjust the settings for the SDK interface.

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