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Another use would be 3D printed surgical instruments. There is already a proof of concept paper written on this topic:

https://www.ncbi.nlm.nih.gov/pubmed/27822724

Having recently purchased ~400 dental surgical instruments from some dude in Pakistan for less than $2000 including shipping, and received them in less than a month even though they were manufactured after I ordered them, I can imagine no possible purpose of 3D printing surgical instruments. They are stainless steel and will last approximately forever.

>Having recently purchased ~400 dental surgical instruments from some dude in Pakistan

Might want to look up the IFU or AORN standards for those. I know many places either toss them out of their kits or are single use only. Something about pitting and the metal they are made of.

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