Start with an image of someone with their teeth showing.
Select Quick Mask by selecting Q. Mask out the tooth you wish to make into a fang.
Select Q to exit Quick Mask. Select CTRL/SHIFT I to invert selection.
Select New Layer.
Copy and paste tooth into new layer.
Select Edit>Transform>Warp. Pull box to make your tooth sharp. Select Layer>Layer Style>Drop Shadow to give tooth depth. Repeat as necessary on different teeth.
Select Quick Mask by selecting Q. Mask out the tooth you wish to make into a fang.
Select Q to exit Quick Mask. Select CTRL/SHIFT I to invert selection.
Select New Layer.
Copy and paste tooth into new layer.
Select Edit>Transform>Warp. Pull box to make your tooth sharp. Select Layer>Layer Style>Drop Shadow to give tooth depth. Repeat as necessary on different teeth.
sources used for this step:
