Extract face from CBCT

Support
1

Hi, @Slicer360 . I want to extract face using 3D slicer. I am a beginner. Can you advise me how to extract the face like yours (Figure 3)?
Here is my side face.
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Thank you.

2

Hi, there. I try to segment skin surface of CT image, like this:
Figure 1. An example of facial mesh
image
Figure 2. Side face
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and here is my segment:
Figure 3. My current segment

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image400×626 79.7 KB

Is there any quick and simple way to generate a smooth face model?

Thanks.