On Tue, 16 Dec 2008 08:40:34 -0800, "William Sommerwerck"
wrote:

I just did the math. 20 baby teeth, 32 adult teeth, 80 year lifespan.

Losing your adult teeth is neither universal nor inevitable. I've lost only
one of them -- due to a crack likely caused by a genetic defect. I expect to
have all the rest when I die.


I lost four wisdom teeth, all at once.

John