Awareness of tooth grinding and clenching from adolescence to young adulthood: a nine-year follow-up

T Strausz, Jari Ahlberg, F Lobbezoo, C C Restrepo, C Hublin, K Ahlberg, M Könönen
Journal of Oral Rehabilitation 2010, 37 (7): 497-500
How bruxism develops from adolescence to early adulthood remains unclear. A previous database was revisited to evaluate the natural course of self-reported tooth grinding and clenching among young Finns aged 14-23 using four assessments. Overall, the self-reported frequencies of both grinding and clenching increased during the examination period: from 13.7% to 21.7% and from 9.2% to 14.8%, respectively. There were significant increases (without a statistically significant difference between genders) in both grinding (P = 0.002) and clenching (P = 0.015) between 15 and 23 years. A significant rise in grinding between 18 and 23 years was also found (P = 0.011). It is concluded that self-reported bruxism increases from adolescence to young adulthood. Moreover, there are large differences between individuals, and fluctuations may occur in the natural course of bruxism.


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