# Secgmentation of a small dental CBCT

**URL:** <https://discourse.slicer.org/t/secgmentation-of-a-small-dental-cbct/43731>\
**Category:** Support\
**Created:** [July 15, 2025, 1:25pm UTC](https://discourse.slicer.org/t/secgmentation-of-a-small-dental-cbct/43731 "2025-07-15T13:25:53Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Multipack](https://avatars.discourse-cdn.com/v4/letter/m/e5b9ba/32.png) [@Multipack](https://discourse.slicer.org/u/Multipack)\
**Post date:** [July 15, 2025, 1:25pm UTC](https://discourse.slicer.org/t/secgmentation-of-a-small-dental-cbct/43731/1 "2025-07-15T13:25:53Z")

</div>

Operating system: Windows  
Slicer version: 5.8.1  
Expected behavior: Segment a small volume CBCT of the anterior maxilla i.e divide teeth from bone.  
Actual behavior: no 3D image is created, I get an error message:  
Failed to load the segmentation.  
Something went wrong during the nnUNet processing.  
Please check the logs for errors and contact the library maintainers.

Runtime error Reads: CUDA error: no kernal image is available for execution on the device  
it goes on to say for debugging consider passing CUDA\_LAUNCH\_BLOCKING=1