Do missing teeth cause early-onset cognitive impairment? Re-examining the evidence using a quasi-natural experiment.
Cornelia Melinda Adi SantosoManuel Serrano-AlarcónDavid StucklerStefan SerbanMartin McKeeAttila NagyPublished in: Social psychiatry and psychiatric epidemiology (2022)
Our findings are consistent with the possibility that unobserved confounding leads to the oft-observed association between missing teeth and early-onset cognitive impairment, suggesting that the relationship is spurious rather than causal.