I needs some of that, but unfortunately still in the research stage*, and they are not there yet with the technology to growth your own new teeth, in your head, from your own stem cells.
In my opinion, dentistry is in its own pain class, especially when money flies out of your wallet.
Ico, I like the "bobbing bird" metaphor, the "yo-yo market" is so overused.
I need a "set-it-and-forget-it" stock, or a "bottomless well" of funds. :-)