Frequent recreational cannabis use and its association with caries and severe tooth loss: Findings from the National Health and Nutrition Examination Survey, 2015-2018.

Background: The aim of this study was to examine the association of frequent recreational cannabis (FRC) use with untreated coronal caries, untreated root surface caries, and severe tooth loss.

Methods: This cross-sectional study analyzed data obtained from 5,656 people, aged 18 through 59 years, who participated in the National Health and Nutrition Examination Survey from 2015 through 2018. FRC use was defined as self-reported use of marijuana or hashish at least once per month for the past 12 months.