Someone ask me about the teeth material node,here it is.Its the material from the last rendering,one post above.
notice, the material itself doesnt use a dentin material.it was my last testrendering to simplify the two materials (dentin and enamel) to one material.
the world scaling is in meter/blender units,the teeths from this model are around 1-2 cm big each.this is important to get the density from the volume the same.
dont forget to increase the transparent/transmission bounces in the render settings to avoid black spots.my was 16 .and volumetric around 6-7
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