Abstract
Seasonality of bruxism and its symptoms has not been tested and reflects a major niche in our understanding and the epidemiology of bruxism. Our aim is to use the Google Trends data to examine whether there was a seasonal pattern in the Google search volumes of bruxism and its symptoms on a population basis. In the observational, ecological research, we interrogated Google Trends for the following query terms: [bruxism] and [teeth grinding + teeth clenching] to obtain the internet search query volume. These queries were searched within the USA, the UK, Canada, and Australia from January 2004 to December 2017. The cosinor analysis showed statistically significant seasonal patterns in [bruxism] in the USA (amplitude {A} = 1.91, p = 0.003), Canada (A = 1.91, p < 0.001), and Australia (A = 2.25, p < 0.001), and a trend towards a seasonal variation in the UK (A = 1.11, p = 0.032), with a peak in the winter months and trough in the summer months. Similarly, a statistically significant seasonal variation was found in [teeth grinding + teeth clenching] in the USA (A = 5.54, p < 0.001), the UK (A = 4.36, p < 0.001), and Australia (A = 3.11, p < 0.001), and a trend towards a seasonal variation in Canada (A = 1.53, p = 0.034). The peaks i...Continue Reading
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