SSS and Interpolating Geometry

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Hello,

when shading our characters teeth, the two front ones are interpolating à little but, and even during the animation, the top teeth intersect with the bottom ones over the course of a frame.

During that specific frame tho, the SSS looks as if one of the upper tooth becomes semi transparent showing just a tiny bit of the bottom tooth. I guess it's pretty normal behaviour since by intersecting, the SSS must be condfused as to where the rays should go, but I was wondering if there was a way to counterpass that?

I've seen there are SSS tracesets that exists, but it doesn't seem to do anything.
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