It is painful, but no such manifestations of pain are made as in teeth grinding.
He glared at Joe again, his teeth grinding in his pain and shock.
The Battleship Boy stood with tightly clenched fists at his side, his teeth grinding in his great effort to control himself.
Standing at her side, Wilbur could hear her teeth grinding upon each other.
Corruption; or, perhaps from the sound of teeth grinding against each other.
Moffat wheeled upon him, his teeth grinding savagely together.
With his teeth grinding, Wallie fought it in desperation, trying to give the twist that drops the animal.
The poor horses stood coupled together, with heads drooping, and teeth grinding.
Perhaps from the sound of teeth grinding against each other.
All the time she heard his teeth grinding, and watched his red-rimmed grey eyes blazing.