Generally, when frogs do have teeth, they may be using it to assist in capturing prey. But for the most part, frogs actually are catching prey with their projectile tongues.

Do frog's have teeth?

Some have tiny teeth on their upper jaws and the roof of their mouths while others sport fanglike structures. Some species are completely toothless. And only one frog, out of the more-than 7,000 species, has true teeth on both upper and lower jaws.

What frog has teeth?

Gastrotheca guentheri is the only known frog with true teeth in its lower jaw.