Teeth grinding: Is Emotional Stability related to bruxism?

Angelina R. Sutin, Antonio Terracciano, Luigi Ferrucci, Paul T. Costa

Research output: Contribution to journalArticlepeer-review


This study examines the association between personality traits and bruxism, the repetitive grinding or clenching of teeth. Community-dwelling participants (N=470) had a comprehensive oral examination by a dentist and completed a dental history and personality questionnaires. Consistent with the literature on state anxiety and depression as antecedents of bruxism, Neuroticism-related traits were associated with self-reported teeth grinding. These traits were also associated with other oral complaints often associated with anxiety (jaw clicks, difficulty chewing food, and dry mouth), but not with more general oral health complaints (unhealthy gums, bleeding gums, and canker sores) or with dentist-assessed occlusal wear or tongue indentations. This study provides evidence for the association between Neuroticism and bruxism and other stress-related oral health symptoms.

Original languageEnglish (US)
Pages (from-to)402-405
Number of pages4
JournalJournal of Research in Personality
Issue number3
StatePublished - Jun 2010
Externally publishedYes


  • Anxiety
  • Bruxism
  • Emotional Stability
  • Personality
  • Teeth grinding

ASJC Scopus subject areas

  • Social Psychology
  • Psychology(all)


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