Teeth grinding was an action performed by some individuals. It could be involuntary or in response to a strong emotion, such as anger.
Rom ground his teeth every night, a habit Quark found detestable. (DS9: "Prophet Motive")
According to Harry Kim, after hearing the phrase "Live long and prosper" no matter what button he pressed on the security console, Tuvok ground his teeth so loud that it could be heard across USS Voyager's bridge. (VOY: "Revulsion")
| Teeth |
|---|
| Teeth and related anatomy: Anterior tricuspid • Eye tooth • Fang • Gums • Incisor • Jaw • Molar • Palate • Tongue • Tusk |
| Medical conditions: Bite mark (Bite radius) • Cavity • Eruption • Teeth grinding • |
| Medical procedures: Tooth extraction |
| Occupations: Dentist • Hygienist • Orthodontist |
| People: Tooth Fairy |
| Products: False teeth • Skagaran whiskey • Teething ring • Toothbrush • Toothpaste • Mars Toothpaste • Tooth sharpener • Trifluorinate compound |
| Organizations: Starfleet Dental |
| Other: Dragon's teeth • Sweet tooth |