Chronologically, Apple is long in the tooth at the top of the heap.

FORBES: Apple's "Killer" iPhones, Killing Phone Company Margins

You should always introduce the floss at the top of the tooth, in the gum line, and bring it down, then remove it and find an unused length for the next tooth.

WSJ: How to Be a Better Flosser

Investment banks fight tooth and nail to get placement in the top line of the listing, and then poke eyes out to be placed on the left.

FORBES: Connect

They have names like Bullet Tooth Tony (Vinnie Jones) and Brick Top (Alan Ford), and they converse in the artful patois that Ritchie continues to sell as echt.

NEWYORKER: Snatch

"I would be fighting tooth and nail to make sure we keep a top-class facility open so we can develop the Jess Ennises of the future, " he said.

BBC: Don Valley Stadium