Association between number of teeth and functional tooth units and prevalence of mild cognitive impairment in Japan: Baseline data from the Aidai Cohort Study.

Researchers examined whether tooth loss related to mild cognitive impairment in 8,697 Japanese adults, finding that fewer natural teeth was independently associated with higher prevalence of cognitive impairment, regardless of whether function was restored with artificial replacements.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.