# how to superimpose and colour amp digital dental models in STL files

**URL:** https://discourse.slicer.org/t/how-to-superimpose-and-colour-amp-digital-dental-models-in-stl-files/16841
**Category:** Support
**Created:** [March 30, 2021, 4:25am UTC](https://discourse.slicer.org/t/how-to-superimpose-and-colour-amp-digital-dental-models-in-stl-files/16841 "2021-03-30T04:25:27Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![drjyotsna](https://avatars.discourse-cdn.com/v4/letter/d/c89c15/32.png) [@drjyotsna](https://discourse.slicer.org/u/drjyotsna)
#### Post date: [March 30, 2021, 4:25am UTC](https://discourse.slicer.org/t/how-to-superimpose-and-colour-amp-digital-dental-models-in-stl-files/16841/1 "2021-03-30T04:25:27Z")

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Operating system:  
Slicer version:  
Expected behavior:  
Actual behavior:

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### Author: ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)
#### Post date: [April 3, 2021, 3:04am UTC](https://discourse.slicer.org/t/how-to-superimpose-and-colour-amp-digital-dental-models-in-stl-files/16841/2 "2021-04-03T03:04:13Z")

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You can use landmark registration for initial alignment and then use surface registration for fine-tuning. See details on [this page](https://slicer.readthedocs.io/en/latest/user_guide/registration.html).