Custom-made vampire fangs have a dramatic, realistic look that completes a vampire look impressively--and there's no need to spend a fortune to get them professionally done. Make homemade fangs out of low temperature-melt polycaprolactone plastic pellets, commonly known as polymorph and commercially as Friendly Plastic and ShapeLock, available in craft stores, costume shops and online. You will only need a very small amount, so look for 30 g sizes, sometimes sold as "sample" size online.
Pour about 7 g of polymorph pellets into the bowl. Cover with boiling water. Pellets will turn clear when ready to be moulded.
Remove melted polymorph with a spoon or strainer. On a clean surface, divide the polymorph and shape each half into a small "V" shape with a rounded top.
Press moulded polymorph onto the tooth, continuing to shape it. If it becomes too hard, resoften in hot water. When the fangs are shaped and moulded to the teeth, allow them to cool completely.
Apply denture adhesive to hold fangs in place, if necessary. Simple, well-moulded fangs will stay put without adhesive.