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Fattori rischio per il bruxismo notturno nella popolazione

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research-studies_000Risk factors for sleep bruxism in the general population.

L’articolo scientifico in oggetto  di Ohayon MMLi KKGuilleminault C. nella  US National Library of MedicineNational Institutes of Health afferma che il bruxismo notturno è comune nella popolazione generale e rappresenta un terzo della parasomnia più frequente. Esso ha numerose conseguenze, che non si limitano a problemi dentali o muscolari. Tra i fattori di rischio associati, i pazienti con ansia e disturbi respiratori nel sonno, hanno un numero maggiore di fattori di rischio per il bruxismo nottu, e questo deve sollevare preoccupazioni per il futuro di questi individui. Uno sforzo educativo per sensibilizzare i dentisti e medici circa questa patologia è necessario. In italia la nostra Equipe di sta portando avanti questa forma di sensibilizzazione.rno
Di seguito inseriamo l’abstract in lingua originale e il link relativo.

Risk factors for sleep bruxism in the general population.



Sleep bruxism can have a significant effect on the patient’s quality of life. It may also be associated with a number of disorders. However, little is known about the epidemiology of sleep bruxism and its risk factors in the general population.


Cross-sectional telephone survey using the Sleep-EVAL knowledge based system.


Representative samples of three general populations (United Kingdom, Germany, and Italy) consisting of 158 million inhabitants.


Thirteen thousand fifty-seven subjects aged > or = 15 years (United Kingdom, 4,972 subjects; Germany, 4,115 subjects; and Italy, 3,970 subjects).




Clinical questionnaire on bruxism (using the International Classification of Sleep Disorders [ICSD] minimal set of criteria) with an investigation of associated pathologies (ie, sleep, breathing disorders, and psychiatric and neurologic pathologies).


Grinding of teeth during sleep occurring at least weekly was reported by 8.2% of the subjects, and significant consequences from teeth grinding during sleep (ie, muscular discomfort on awakening, disturbing tooth grinding, or necessity of dental work) were found in half of these subjects. Moreover, 4.4% of the population fulfilled the criteria of ICSD sleep bruxism diagnosis. Finally, subjects with obstructive sleep apnea syndrome (odds ratio [OR], 1.8), loud snorers (OR, 1.4), subjects with moderate daytime sleepiness (OR, 1.3), heavy alcohol drinkers (OR, 1.8), caffeine drinkers (OR, 1.4), smokers (OR, 1.3), subjects with a highly stressful life (OR, 1.3), and those with anxiety (OR, 1.3) are at higher risk of reporting sleep bruxism.


Sleep bruxism is common in the general population and represents the third most frequent parasomnia. It has numerous consequences, which are not limited to dental or muscular problems. Among the associated risk factors, patients with anxiety and sleep-disordered breathing have a higher number of risk factors for sleep bruxism, and this must raise concerns about the future of these individuals. An educational effort to raise the awareness of dentists and physicians about this pathology is necessary.


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