# \#dental

**URL:** https://discourse.slicer.org/tag/dental/420.md

[Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md)

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## [Segment tooth enamel and pulp from TotalSegmentator tooth-by-tooth](https://discourse.slicer.org/t/segment-tooth-enamel-and-pulp-from-totalsegmentator-tooth-by-tooth/47637)

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**Author:** [@r\_vorup](https://discourse.slicer.org/u/r_vorup)\
**Replies:** 4\
**Last updated:** [July 19, 2026, 6:11pm UTC](https://discourse.slicer.org/t/segment-tooth-enamel-and-pulp-from-totalsegmentator-tooth-by-tooth/47637 "2026-07-19T18:11:58Z")

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Hello all, I have used the TotalSegmentator to segment a CBCT scan of upper and lower jaw, and have gotten each tooth in an individual segment. I now want to split each tooth into dentine and enamel, for them to be 3D p…

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## [New extension: DentalSegmentator for automatic dental CT & CBCT segmentation](https://discourse.slicer.org/t/new-extension-dentalsegmentator-for-automatic-dental-ct-cbct-segmentation/35591)

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**Author:** [@Gauthier](https://discourse.slicer.org/u/Gauthier)\
**Replies:** 13\
**Last updated:** [May 11, 2026, 12:05am UTC](https://discourse.slicer.org/t/new-extension-dentalsegmentator-for-automatic-dental-ct-cbct-segmentation/35591 "2026-05-11T00:05:40Z")

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Dear All, We are glad to announce the availability of DentalSegmentator, a new 3D Slicer extension for automatic segmentation of dental CT and CBCT scans. It is now available in the latest Slicer 5.7.0 preview release. …

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## [How do I segment dental root canal in 3D slicer? ](https://discourse.slicer.org/t/how-do-i-segment-dental-root-canal-in-3d-slicer/46416)

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**Author:** [@Dr\_Anshuman\_Jha](https://discourse.slicer.org/u/Dr_Anshuman_Jha)\
**Replies:** 0\
**Last updated:** [March 9, 2026, 8:12pm UTC](https://discourse.slicer.org/t/how-do-i-segment-dental-root-canal-in-3d-slicer/46416 "2026-03-09T20:12:31Z")

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How do I segment dental root canal in 3D slicer? I have cbct raw data of cases

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## [My dental segmentator on the mac does not work please help](https://discourse.slicer.org/t/my-dental-segmentator-on-the-mac-does-not-work-please-help/45874)

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**Author:** [@Sankalpa\_Gamage](https://discourse.slicer.org/u/Sankalpa_Gamage)\
**Replies:** 0\
**Last updated:** [January 23, 2026, 5:34am UTC](https://discourse.slicer.org/t/my-dental-segmentator-on-the-mac-does-not-work-please-help/45874 "2026-01-23T05:34:04Z")

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\[DEBUG\]\[Qt\] 23.01.2026 10:46:32 (unknown:0) - Session start time …: 20260123\_104632 \[DEBUG\]\[Qt\] 23.01.2026 10:46:32 (unknown:0) - Slicer version …: 5.10.0 (revision 34045 / a2b6d08) macosx-amd64 - installed release \[…

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## [Oral scan ply file, teeth segmentation](https://discourse.slicer.org/t/oral-scan-ply-file-teeth-segmentation/45614)

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**Author:** [@saeed\_46](https://discourse.slicer.org/u/saeed_46)\
**Replies:** 1\
**Last updated:** [January 13, 2026, 11:45am UTC](https://discourse.slicer.org/t/oral-scan-ply-file-teeth-segmentation/45614 "2026-01-13T11:45:18Z")

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Hello I have some oral scan files in ply format and I want to automatically segment and extract all the healthy and prepared teeth and save each one in a separate ply file. Is this possible in 3D Slicer software? If so…

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## [Issues visualizing results in DentalModelSeg (Slicer 5.8) – segmentation runs but no output appears](https://discourse.slicer.org/t/issues-visualizing-results-in-dentalmodelseg-slicer-5-8-segmentation-runs-but-no-output-appears/45405)

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**Author:** [@Brendy\_Villanueva](https://discourse.slicer.org/u/Brendy_Villanueva)\
**Replies:** 1\
**Last updated:** [December 11, 2025, 8:38pm UTC](https://discourse.slicer.org/t/issues-visualizing-results-in-dentalmodelseg-slicer-5-8-segmentation-runs-but-no-output-appears/45405 "2025-12-11T20:38:13Z")

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Hello everyone, I am trying to segment teeth from STL dental models using DentalModelSeg, but I am running into visualization issues, and I would really appreciate some guidance. I used: 3D Slicer version 5.8 Den…

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## [DentalSegmentator does not complete on Slicer 5.7.0](https://discourse.slicer.org/t/dentalsegmentator-does-not-complete-on-slicer-5-7-0/40793)

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**Author:** [@dr\_drcadcam](https://discourse.slicer.org/u/dr_drcadcam)\
**Replies:** 4\
**Last updated:** [October 16, 2025, 12:33pm UTC](https://discourse.slicer.org/t/dentalsegmentator-does-not-complete-on-slicer-5-7-0/40793 "2025-10-16T12:33:15Z")

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Problem report for Slicer 5.7.0-2024-12-16 win-amd64: \[please describe expected and actual behavior\] \[DEBUG\]\[Qt\] 18.12.2024 10:51:23 (unknown:0) - Session start time …: 20241218\_105123 \[DEBUG\]\[Qt\] 18.12.2024 10:51:23 …

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## [CBCTToothSegmentation failed to compute results error](https://discourse.slicer.org/t/cbcttoothsegmentation-failed-to-compute-results-error/44251)

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**Author:** [@Philipp\_Frobel](https://discourse.slicer.org/u/Philipp_Frobel)\
**Replies:** 0\
**Last updated:** [August 29, 2025, 2:34pm UTC](https://discourse.slicer.org/t/cbcttoothsegmentation-failed-to-compute-results-error/44251 "2025-08-29T14:34:42Z")

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Hi everyone, when i try to segmentate a tooth with the BCTToothSegmentation extention i always get the same error. Any ideas how to fix this or what i do wrong?

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## [Dental Segmentator Error](https://discourse.slicer.org/t/dental-segmentator-error/41399)

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**Author:** [@mraihan](https://discourse.slicer.org/u/mraihan)\
**Replies:** 19\
**Last updated:** [August 19, 2025, 5:56am UTC](https://discourse.slicer.org/t/dental-segmentator-error/41399 "2025-08-19T05:56:42Z")

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Hi, I am unable to use the Dental Segmentator module. I am using slicer 5.8, Pytorch version is 2.6.0 + cu118. I have tried manually downloading the weights and adding it to the Recources/ML folder. However, I am still …

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## [Imaging of the pulp chamber with CBCT](https://discourse.slicer.org/t/imaging-of-the-pulp-chamber-with-cbct/43460)

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**Author:** [@BDab1212](https://discourse.slicer.org/u/BDab1212)\
**Replies:** 0\
**Last updated:** [June 23, 2025, 5:13pm UTC](https://discourse.slicer.org/t/imaging-of-the-pulp-chamber-with-cbct/43460 "2025-06-23T17:13:06Z")

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Hey guys, I recently startet using slicer 3D and have the task of do measurements of the pulp chamber in a study model (in vitro model with extracted canines). Does anyone have experiences of marking and measuring the …

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## [Segment tooth crown and root](https://discourse.slicer.org/t/segment-tooth-crown-and-root/43166)

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**Author:** [@Ayush](https://discourse.slicer.org/u/Ayush)\
**Replies:** 0\
**Last updated:** [May 30, 2025, 12:49pm UTC](https://discourse.slicer.org/t/segment-tooth-crown-and-root/43166 "2025-05-30T12:49:34Z")

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I have segmented a tooth from a full mouth cbct scan now I want to segment tooth in crown and root by 3d slicer. How can i do that automatically or manually?

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## [Details inside a bone for dental implant planning](https://discourse.slicer.org/t/details-inside-a-bone-for-dental-implant-planning/22088)

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**Author:** [@CaetanoPM](https://discourse.slicer.org/u/CaetanoPM)\
**Replies:** 11\
**Last updated:** [May 24, 2024, 11:07am UTC](https://discourse.slicer.org/t/details-inside-a-bone-for-dental-implant-planning/22088 "2024-05-24T11:07:57Z")

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Hi, I’m dentist, and i’m having some trouble with my stl file. I followed all the steps, and export the stl file of the jaw bones. OK I put in Meshmixer to edit, and wen i look inside, have no details, only a empty sp…

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## [DentalSegmentator error: "ModuleNotFoundError: No module named ‘threadpoolctl’"](https://discourse.slicer.org/t/dentalsegmentator-error-modulenotfounderror-no-module-named-threadpoolctl/36802)

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**Author:** [@1546161](https://discourse.slicer.org/u/1546161)\
**Replies:** 2\
**Last updated:** [April 29, 2025, 9:48pm UTC](https://discourse.slicer.org/t/dentalsegmentator-error-modulenotfounderror-no-module-named-threadpoolctl/36802 "2025-04-29T21:48:02Z")

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2024/06/14 11:20:00.892 :: nnUNet is already installed (2.4.2) and compatible with requested version (nnunetv2). 2024/06/14 11:20:09.816 :: Transferring volume to nnUNet in C:/Users/DELL/AppData/Local/Temp/Slicer-bFASSs …

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## [Set the view perpendicular on each tooth](https://discourse.slicer.org/t/set-the-view-perpendicular-on-each-tooth/42636)

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**Author:** [@Yasser\_Ahmad](https://discourse.slicer.org/u/Yasser_Ahmad)\
**Replies:** 1\
**Last updated:** [April 21, 2025, 12:56pm UTC](https://discourse.slicer.org/t/set-the-view-perpendicular-on-each-tooth/42636 "2025-04-21T12:56:23Z")

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I have a 3D dental model which I can rotate in infinite directions and angles. But, I want to be able to set a view where I will be looking directly at the facial surface of each tooth What I’ve tried to do is: Draw …

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## [Install DentalSegmentator from behind restrictive firewall](https://discourse.slicer.org/t/install-dentalsegmentator-from-behind-restrictive-firewall/39474)

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**Author:** [@xYanshui](https://discourse.slicer.org/u/xYanshui)\
**Replies:** 8\
**Last updated:** [March 13, 2025, 11:12am UTC](https://discourse.slicer.org/t/install-dentalsegmentator-from-behind-restrictive-firewall/39474 "2025-03-13T11:12:46Z")

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Thank you so much for developing the module. I came across with this error while applying segmentation. I tried to download the “.zip” file (“Dataset111\_453CT\_v100” I suppose?) from the guided Github page, and creat…

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## [DentalSegmentator error](https://discourse.slicer.org/t/dentalsegmentator-error/41262)

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**Author:** [@Nermin\_Morgan](https://discourse.slicer.org/u/Nermin_Morgan)\
**Replies:** 0\
**Last updated:** [January 24, 2025, 3:32pm UTC](https://discourse.slicer.org/t/dentalsegmentator-error/41262 "2025-01-24T15:32:47Z")

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Hello I downloaded preview version 5.7 and I could not use the dental segmentator, this error appears in the console: \[Qt\] void \_\_cdecl qMRMLSegmentEditorWidget::setSourceVolumeNode(class vtkMRMLNode \*) failed: need t…

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## [Issues with DentalSegmentator](https://discourse.slicer.org/t/issues-with-dentalsegmentator/40905)

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**Author:** [@JuMaLe](https://discourse.slicer.org/u/JuMaLe)\
**Replies:** 1\
**Last updated:** [December 30, 2024, 4:18pm UTC](https://discourse.slicer.org/t/issues-with-dentalsegmentator/40905 "2024-12-30T16:18:04Z")

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Hello to everybody! I tried to use DentalSegmentator but when I click on “Apply” the process get stock at the very beginning. what I’m missing here?

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## [dentalsegmentator Failed to load the segmentation, Something went wrong during the nnUNet processing.](https://discourse.slicer.org/t/dentalsegmentator-failed-to-load-the-segmentation-something-went-wrong-during-the-nnunet-processing/40682)

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**Author:** [@g.alh](https://discourse.slicer.org/u/g.alh)\
**Replies:** 1\
**Last updated:** [December 13, 2024, 3:58pm UTC](https://discourse.slicer.org/t/dentalsegmentator-failed-to-load-the-segmentation-something-went-wrong-during-the-nnunet-processing/40682 "2024-12-13T15:58:18Z")

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I need help with this error I couldn’t figure it out regarding dentalsegmenttor 2024/12/13 17:49:45.935 :: nnUNet is already installed (2.5.1) and compatible with requested version (nnunetv2). 2024/12/13 17:49:59.535 :…

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## [Periodontal ligament (PDL) segmentation](https://discourse.slicer.org/t/periodontal-ligament-pdl-segmentation/31314)

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**Author:** [@balakonvict](https://discourse.slicer.org/u/balakonvict)\
**Replies:** 6\
**Last updated:** [November 3, 2024, 12:32pm UTC](https://discourse.slicer.org/t/periodontal-ligament-pdl-segmentation/31314 "2024-11-03T12:32:03Z")

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I have successfully segmented a tooth and maxilla from my imaging data. However, I am facing challenges with segmenting the periodontal ligament (PDL). I attempted to use shelling techniques to create the PDL, but unfort…

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## [Can anyone suggest a way for fast and accurate segmentation of teeth in CBCT volumes?](https://discourse.slicer.org/t/can-anyone-suggest-a-way-for-fast-and-accurate-segmentation-of-teeth-in-cbct-volumes/34932)

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**Author:** [@Sourav\_Bose](https://discourse.slicer.org/u/Sourav_Bose)\
**Replies:** 11\
**Last updated:** [October 21, 2024, 8:12pm UTC](https://discourse.slicer.org/t/can-anyone-suggest-a-way-for-fast-and-accurate-segmentation-of-teeth-in-cbct-volumes/34932 "2024-10-21T20:12:18Z")

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I have been trying to do the segmentation of teeth using fill between slices in the CBCTs. I tried a few different techniques mentioned in the forum but I am unable to add seeds on the margins of the tooth. So there is…

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## [DentalSegmentator fails with "RuntimeError: Invalid nnUNet configuration. Model folder is missing the following folds"](https://discourse.slicer.org/t/dentalsegmentator-fails-with-runtimeerror-invalid-nnunet-configuration-model-folder-is-missing-the-following-folds/35697)

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**Author:** [@ARtur\_Zhumabekov](https://discourse.slicer.org/u/ARtur_Zhumabekov)\
**Replies:** 17\
**Last updated:** [October 14, 2024, 11:40am UTC](https://discourse.slicer.org/t/dentalsegmentator-fails-with-runtimeerror-invalid-nnunet-configuration-model-folder-is-missing-the-following-folds/35697 "2024-10-14T11:40:44Z")

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Hello I get this error Failed to load the segmentation. Check the inference folder content C:\\Users\\artur\\AppData\\Local\\Temp\\Slicer-vFmJLy\\output How i can fix it?

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## [Need help with downloading weights for dental segmentator](https://discourse.slicer.org/t/need-help-with-downloading-weights-for-dental-segmentator/39670)

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**Author:** [@Yamansul](https://discourse.slicer.org/u/Yamansul)\
**Replies:** 1\
**Last updated:** [October 12, 2024, 4:11pm UTC](https://discourse.slicer.org/t/need-help-with-downloading-weights-for-dental-segmentator/39670 "2024-10-12T16:11:59Z")

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having a problem while download weights in dental segmentator and couldnt know how to download it manually, any one who can assist me please

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## [CBCTToothSegmentation: How to fix "torch.load with weights\_only=False"](https://discourse.slicer.org/t/cbcttoothsegmentation-how-to-fix-torch-load-with-weights-only-false/38398)

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**Author:** [@Bay\_6](https://discourse.slicer.org/u/Bay_6)\
**Replies:** 1\
**Last updated:** [September 16, 2024, 11:45am UTC](https://discourse.slicer.org/t/cbcttoothsegmentation-how-to-fix-torch-load-with-weights-only-false/38398 "2024-09-16T11:45:46Z")

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When I work with the extension extensions-manager CBCTToothSegmentation, the below error occur. Which file do I need to fix and how to do with it. It seems to be a python problem and I searched some solution but it did n…

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## [DentalSegmentator failed to load the segmentation with an error occurred during install : nnunetv2](https://discourse.slicer.org/t/dentalsegmentator-failed-to-load-the-segmentation-with-an-error-occurred-during-install-nnunetv2/38179)

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**Author:** [@igy](https://discourse.slicer.org/u/igy)\
**Replies:** 0\
**Last updated:** [September 3, 2024, 12:26pm UTC](https://discourse.slicer.org/t/dentalsegmentator-failed-to-load-the-segmentation-with-an-error-occurred-during-install-nnunetv2/38179 "2024-09-03T12:26:19Z")

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Hello，I encountered an error while applying the extension this was how it went 2024/09/03 16:42:23.363 :: Start nnUNet install with requirements : nnunetv2 2024/09/03 16:42:23.368 :: - Installing pandas… 2024/09/0…

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## [Creating Truth Mask for Segmentation Task](https://discourse.slicer.org/t/creating-truth-mask-for-segmentation-task/38043)

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**Author:** [@Marcellofabrizio](https://discourse.slicer.org/u/Marcellofabrizio)\
**Replies:** 2\
**Last updated:** [August 26, 2024, 11:35pm UTC](https://discourse.slicer.org/t/creating-truth-mask-for-segmentation-task/38043 "2024-08-26T23:35:14Z")

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Hello everyone! I’m a Computer Science student currently working on a research project focused on segmenting root canals using DICOM images. My approach involves using a U-Net combined with DenseNet-121. I have access t…

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## [Dental segmentator problem](https://discourse.slicer.org/t/dental-segmentator-problem/37982)

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**Author:** [@DPDL](https://discourse.slicer.org/u/DPDL)\
**Replies:** 0\
**Last updated:** [August 21, 2024, 4:56pm UTC](https://discourse.slicer.org/t/dental-segmentator-problem/37982 "2024-08-21T16:56:42Z")

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I tried the AI dental segmentator but it doesnt give any output. Dont know what I am doing wrong. Is there anyone who can assist me? BR Marc

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## [Install error with dentalsegmentator (returned non-zero exit status 1)](https://discourse.slicer.org/t/install-error-with-dentalsegmentator-returned-non-zero-exit-status-1/37879)

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**Author:** [@cedar0625](https://discourse.slicer.org/u/cedar0625)\
**Replies:** 0\
**Last updated:** [August 14, 2024, 8:01am UTC](https://discourse.slicer.org/t/install-error-with-dentalsegmentator-returned-non-zero-exit-status-1/37879 "2024-08-14T08:01:29Z")

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I just installed the dentalsegmentator extension in Slicer 5.7.0-2024-08-08. When running the extension for the first time, this error appears. 2024/08/14 09:09:47.207 :: Start nnUNet install with requirements : nnunetv…

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## [DentalSegmentator failed to load the segmentation](https://discourse.slicer.org/t/dentalsegmentator-failed-to-load-the-segmentation/36665)

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**Author:** [@karim\_mamdouh](https://discourse.slicer.org/u/karim_mamdouh)\
**Replies:** 3\
**Last updated:** [July 31, 2024, 2:08pm UTC](https://discourse.slicer.org/t/dentalsegmentator-failed-to-load-the-segmentation/36665 "2024-07-31T14:08:06Z")

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Failed to load the segmentation. Check the inference folder content C:\\Users\\Khateeb\\AppData\\Local\\Temp\\Slicer-iPdxkt\\output Operating system: windous 10 Slicer version:5.7 latest Expected behavior:dentatl segmentato…

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## [Error when using dental segmentator](https://discourse.slicer.org/t/error-when-using-dental-segmentator/37591)

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**Author:** [@Dr\_Akshaya\_S\_R1](https://discourse.slicer.org/u/Dr_Akshaya_S_R1)\
**Replies:** 0\
**Last updated:** [July 28, 2024, 6:17am UTC](https://discourse.slicer.org/t/error-when-using-dental-segmentator/37591 "2024-07-28T06:17:56Z")

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Error occurred during install : C extension: pandas.util not built. If you want to import pandas from the source directory, you may need to run ‘python setup.py build\_ext’ to build the C extensions first.

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## [Artefacts in CT analysis](https://discourse.slicer.org/t/artefacts-in-ct-analysis/37552)

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**Author:** [@Luca\_Salomon](https://discourse.slicer.org/u/Luca_Salomon)\
**Replies:** 0\
**Last updated:** [July 25, 2024, 7:54am UTC](https://discourse.slicer.org/t/artefacts-in-ct-analysis/37552 "2024-07-25T07:54:14Z")

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I am analysing CT‘s from the head and I have to document remaining teeth and implants. Is there any easy possibility to remove artefacts in slicer to have a better overview of the jaw. As soon as there is a small metall…

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