Printed at 0.12mm layer height, 0.4mm wall thickness, 0.4 nozzle.
Printing with a 0.2 nozzle height would be ideal to get the teeth sharper :)
I used a single auto-generated support under the tongue, should be able to print without any real supports. Don't quote me on that, though! Don't allow any supports to auto-generate in the mouth, they won't be needed.
If the bottom of the model doesn't sit perfectly flat in your slicer preview, just lower the z offset by a small amount until it does!
If using Simplify 3D, try adding +0.10 Horizontal Size Compensation to help with fine details.