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"By the time I can take people out to where Hubble is looking, they won't be human anymore, by a long way."
- Larry Niven

Toothbud Transplant  
  Implanted teeth that mimic the dentition of other species.  

Feeling predacious, and you are bothered by people who look at the flat surfaces of molars and conclude that humans are basically vegetarians? Read on.

The one who showed up at the loft door with a box of diskettes from the Finn was a soft-voiced boy called Angelo. His face was a simple graft grown on collagen and shark-cartilage polysaccharides, smooth and hideous. It was one of the nastiest pieces of elective surgery Case had ever seen. When Angelo smiled, revealing the razor-sharp canines of some large animal, Case was actually relieved. Toothbud transplants. He'd seen that before.
From Neuromancer, by William Gibson.
Published by Phantasia Press in 1984
Additional resources -

Transplanting a tooth to another person is not a new idea; in fact, slaves in ancient Egypt were sometimes forced to give their teeth to their pharaohs! In case you're wondering, it didn't work very well; problems of histocompatibility rendered the technique valueless.

However, autogenous tooth transplantation (moving a tooth from one position to another in your own mouth) works quite well in a variety of cases. For example, a person with a damaged molar is examined and found to have an unerrupted molar somewhere else. The damaged tooth is removed, the unerrupted molar is transplanted to the new spot.

No one has yet transplanted a tooth bud (also called a tooth germ); this is the developing tooth, the structure from which the adult tooth develops. See the Science Fiction in the News story Tooth Bud From Stem Cells Looms Large for an update on this topic.

Case's girlfriend and bodyguard Molly had an unusual form of modification - surgically inset glasses.

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Additional resources:
  More Ideas and Technology from Neuromancer
  More Ideas and Technology by William Gibson
  Tech news articles related to Neuromancer
  Tech news articles related to works by William Gibson

Toothbud Transplant-related news articles:
  - Tooth Bud From Stem Cells Looms Large
  - Bioengineered Mouse Tooth Bud Successfully Implanted
  - Teeth From Stem Cells
  - Please, Please Let There Be Regenerated Teeth

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