Do you really need the original tissue with the bud, or is possible to encourage ordinary gum or bone cells at a location to turn into a bud that this technology then works on?
I think in the latter case the risk of developing cancer may be higher than if there are already cells in your jaw that can develop into teeth
The majority of the land used for cattle grazing is not suitable for farmland.
But why should land be treated in that binary? How much biodiversity is being destroyed just to keep cattle or some other animals instead of keeping it in its natural state?
Some whales do. But they still use teeth to filter their soup