# How to measure the mandibular condyle morphological changes between two time different points CT?

**URL:** <https://discourse.slicer.org/t/how-to-measure-the-mandibular-condyle-morphological-changes-between-two-time-different-points-ct/25677>\
**Category:** SlicerSALT\
**Tags:** registration\
**Created:** [October 13, 2022, 11:44am UTC](https://discourse.slicer.org/t/how-to-measure-the-mandibular-condyle-morphological-changes-between-two-time-different-points-ct/25677 "2022-10-13T11:44:06Z")\
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**Author:** ![SAO](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/sao/32/16036_2.png) [@SAO](https://discourse.slicer.org/u/SAO)\
**Post date:** [January 18, 2023, 7:51am UTC](https://discourse.slicer.org/t/how-to-measure-the-mandibular-condyle-morphological-changes-between-two-time-different-points-ct/25677/7 "2023-01-18T07:51:28Z")

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Dear @wael_telha ,  
Sorry for the late response - for some reason I did not get any notification regarding your message.

_Normally - we do the following:_

1. Establish correspondence-between the models (of all groups), then
2. Generate a mean for each group (using principal-component analysis module), then
3. Compare the means of each group (with the same color map) - through the model-to-model distance module.

I am always happy to share my knowledge regarding this.  
**Please specify the issue you are facing, and the aim.**

Try to use the latest release of [SlicerSALT 4.0.1](https://discourse.slicer.org/t/slicersalt-4-0-1-summary-highlights-and-changelog/26197)

Regards,  
Sultan

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