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Flossing is equally important to remove food particles trapped between teeth and aligners

Storage Type Manufacturer Address John Player & Sons Ltd, Park West, Dublin 12

See COVID-19: the connection to smoking and vaping, and resources for quitting, Tobacco Nation in the age of COVID-19, and Colliding Crises: Youth Mental Health and Nicotine Use for additional information

E-cigarettes themselves are almost certainly less toxic than cigarettes, but they are not safe, says Dr

Therefore, we did not add the dose as a covariate
