The mouth that made them was not a human mouth.

The average silver filling remains in a human mouth approximately seven to nine years.

"Do you know how many germs are in the human mouth?"

"But we aren't on the surface," Gary said, using his funny human mouth for the first time.

She was beyond any words from a human mouth.

The voice was distorted by teeth which were too long for a human mouth.

The human mouth transmits information at some two words per second.

Her teeth were way too long and sharp to fit into a human mouth.

I don't think a human mouth could do that kind of damage.

She spoke around that only partly human mouth, "What did you say?"