Self-reported Bruxism - associations with perceived stress, motivation for control, dental anxiety and gagging

• Published in: Journal of oral rehabilitation Vol. 38; no. 1; pp. 3 - 11
• Main Authors: WINOCUR, E., UZIEL, N., LISHA, T., GOLDSMITH, C., ELI, I.
• Format: Journal Article
• Language: English
• Published: Oxford, UK Blackwell Publishing Ltd 01-01-2011
• Subjects: Adult; Analysis of Variance; bruxism; Bruxism - complications; Bruxism - prevention & control; Bruxism - psychology; Chi-Square Distribution; dental anxiety; Dental Anxiety - etiology; Dental Anxiety - psychology; Dentistry; Female; Gagging; Humans; Logistic Models; Male; Motivation; motivation for control; perceived stress; Self Disclosure; Sex Factors; Stress, Psychological - etiology; Stress, Psychological - psychology; Surveys and Questionnaires
• ISSN: 0305-182X; 1365-2842
• DOI: 10.1111/j.1365-2842.2010.02118.x

Summary  To examine possible associations between self‐reported bruxism, stress, desirability of control, dental anxiety and gagging. Five questionnaires were distributed among a general adult population (402 respondents): the Perceived Stress Scale (PSS), Desirability of Control Scale (DC), Dental Anxiety Scale (DAS), Gagging Assessment Scale (GAS), and Bruxism Assessment Questionnaire. A high positive correlation between DAS and GAS (R = 0·604, P < 0·001) was found. PSS was negatively correlated with DC (R = −0·292, P < 0·001), and was positively correlated with GAS (R = 0·217, P < 0·001) and DAS (R = 0·214, P < 0·001). Respondents who reported bruxing while awake or asleep showed higher levels of GAS, DAS and PSS than those who did not. There were no differences between the bruxers and the non‐bruxers (sleep and aware) with regard to the DC scores. The best predictors of awake bruxism were sleep bruxism (OR = 4·98, CI 95% 2·54–9·74) and GAS (OR = 1·10, CI 95% 1·04–1·17). The best predictors of sleep bruxism were awake bruxism (OR = 5·0, CI 95% 2·56–9·78) and GAS (OR = 1·19; CI 95% 1·11–1·27). Self‐reported sleep bruxism significantly increases the odds for awake bruxism and vice versa. Tendency for gagging during dental care slightly increases the odds of both types of self‐reported bruxism, but desirability of control is not associated with these phenomena.