Bruxism Is Associated With Nicotine Dependence: A Nationwide Finnish Twin Cohort Study

Rintakoski, K.; Ahlberg, Jari; Hublin, Christer; Broms, Ulla; Madden, Pamela A. F.; Könönen, Mauno; Koskenvuo, Markku; Lobbezoo, Frank; Kaprio, Jaakko

doi:10.1093/ntr/ntq190

Cited by 41 publications

(37 citation statements)

References 29 publications

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“…The present study confirmed that smoking was independently associated with bruxism. This significant association is in agreement with various clinical and epidemiologic studies (7, 38, 39), with a possible explanation that nicotine centrally affects smoker’s pain response.…”

Section: Discussionsupporting

confidence: 91%

“…Smoking was found less frequently in low bruxism group compared with high bruxism group (23·6% versus 50·4%, P < 0·001). Earlier studies (7, 9, 38, 39) varying in the study design, sample size, assessment of bruxism and control for covariates show some degree of association between tobacco use and bruxism. Possible explanation is that nicotine induces acetylcholine and glutamate synaptic transmission and enhances dopamine release (39).…”

Section: Discussionmentioning

confidence: 97%

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Risk factors for bruxism among Croatian navy employees

Alajbeg

Žuvela²,

Tarle

2012

J of Oral Rehabilitation

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The aim of the study was to evaluate the relationship between bruxism, and sociodemographic parameters, symptoms of temporomandibular disorders (TMD), personality and war experience among Croatian navy employees. The sample included 1092 subjects, aged 20-60 years (mean age 37·06 ± 7·85). An individual's bruxism status was based on clinical oral examination and participants' report of bruxism. Subjects with bruxism index values ≥ 90th percentile were included in severe bruxism group (n = 111), and those with scores below 90th percentile were labelled as negligible bruxism group (n = 981). No differences were found in gender distribution between the two groups. The proportion of military personnel presenting with bruxism is double the proportion of administrative employees with bruxism. A total of 23·34% subjects in negligible bruxism group and 48·65% in severe bruxism group participated in the war. Subjects in severe bruxism group presented more TMD-related signs and symptoms than those in negligible bruxism group. Higher prevalence of neuroticism and psychoticism was found in severe bruxism group. According to logistic regression, the probability of severe bruxism was significantly associated with marital status [Odds ratio (OR) 6·859, 95% confidence interval (CI) 3·869-12·158 P < 0·001], neuroticism (OR 2·842, 95% CI 1·434-5·632 P = 0·003), psychoticism (OR 2·618, 95% CI 1·193-5·746 P = 0·016), military duty (OR 1·828, 95% CI 1·013-3·298 P = 0·045) and masticatory muscles tenderness (OR 9·372, 95% CI 4·923-17·841 P < 0·001). Smokers had a 2·72-fold (95% CI 1·706-4·335 P < 0·001) higher risk of bruxism than non-smokers. Subjects who participated in war were more represented in severe bruxism group. Further studies, including other potential risk factors, are required to clarify these relationships.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 97%

Risk factors for bruxism among Croatian navy employees

Alajbeg

Žuvela²,

Tarle

2012

J of Oral Rehabilitation

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“…There is also some evidence supporting an association between GORD, alcohol intake and smoking . Furthermore, nicotine‐intake is significantly associated with bruxism, with bruxers twice as likely to report heavy smoking …”

Section: Tooth Wear and Depressionmentioning

confidence: 99%

The psychology of tooth wear

Ahmed

2012

Special Care in Dentistry

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A holistic, multidisciplinary, healthcare approach is required in management of tooth wear patients with underlying mental health disorders. Dentists and Dental Care Professionals can have an important role in identifying these mental disorders through the observed tooth wear. They can also play a key role in monitoring patients' response and compliance to medical treatment through the monitoring of tooth wear progression and expression.

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“…The major effects regarding abstinence are fragmentation of sleep, leading to a superficial sleep and, thereby resulting in excessive daytime sleepiness [31]. Regarding sleep disorders, smoking is also related to bruxism and snoring [35][36][37]. Concerning obstructive sleep apnea, tobacco use is related to hemoglobin desaturation and to an increased arousal rate, but not to the quantity of respiratory events (more specifically, to the apnea-hypopnea index), nor does it constitute an independent risk factor for the development of this syndrome [38,39].…”

Section: Tobaccomentioning

confidence: 99%