Food just got a little faster.
Witness the blitz on blenders. Bullets, capsules and like processors are dominating TV ad breaks - and meal breaks. The whirring blades have whipped up a successful consumer buy-in.
Teeth, then, are facing redundancy in the wake of food's liquidation.
In our species' evolving dentition, (depending on one's creationism views) the decreasing reliance on the tooth is nothing new. The invention of fire to soften food, pottery to cook it in and less dependence on our incisors and canines to catch, kill and drag quarry has made for smaller teeth and jaws.
So, too, have improved grinding tools in the past few million years.