That is in progress: https://www.japantimes.co.jp/news/2023/09/24/japan/science-h...

Indeed. I've been hearing about teeth being grown in vitro or regrown in vivo in various different trials for about 23 years now. Most recent is still saying "perhaps in ten years…"

To be honest I would prefer something non-trivil like fixing broken spinal-column disks ;-)

Let's hope they don't come through the way the current set does.

Something simple like elongated heads

Pair that with a caries vaccine and now we're talking.

Getting a new pair of chompers in middle age would be super great, especially if they won't decay the same way.