In Summer Knight when Harry meets the mothers the opening passage describes the sets of teeth. I didn’t notice it right away. Do you think these are connected to the Names/Mantles of the Mothers.
On the hearth above the fireplace sat several sets of teeth, more or less human-sized. One looked simple enough, all white and even. The next was rotted-looking, with chipped incisors and a broken molar. The next set had all pointed teeth, stained with bits of rusty brown and what looked like rotten bits of flesh stuck between them. The last was made out of some kind of silvery metal, shining like a sword.