A new approach to gear skiving, a specialized machining technique for producing internal gears, could improve the speed and ...

The crown form can be produced on gear teeth in several other ways. One method is to shape the gear with a crown cam in the shaper back-off mechanism.

So these are not gear teeth, and I wish people would stop referring to them as such. They are a type of indexer tooth. Other than that this is an extremely cool use of a fiber laser!