Teethgrinder was a single released by rock band Therapy?, taken from their album Nurse (1992).

It was released on 19 October 1992 through A&M Records.

[2] It was available on 7", limited edition purple vinyl 7", CD, CD digipak, 12", and 12" remix.

Both 12"s were also repackaged together as a limited edition presentation pack.

The song was featured in the PlayStation and Sega Saturn versions of video game Road Rash.