Primary study · included by 1 review

Tooth loss explains income inequalities in dementia.

Shimada 2025 · Shimada Satomi, Matsuyama Yusuke, Aida Jun · Journal of dentistry · 2025

Included by

Dentition-Cognition Relationship in Aging Populations: A Meta-Analysis of Longitudinal Data.
Non-Cochrane · aetiology · 2026 · cited as Shimada 2025 · Fig. 2; Tables 1-2
Outcome this study informsPooled effectEvidenceCertainty
Mild cognitive impairment (MCI)
Tooth loss vs Fewer lost teeth / dentate (reference) · Mean follow-up 8.87 years across all included studies
OR 1.43 [1.10, 1.85]8 studiesGRADE not reported
Mild cognitive impairment (MCI)
Tooth loss vs Fewer lost teeth / dentate (reference) · Mean follow-up 8.87 years across all included studies
OR 1.40 [1.14, 1.71]9 studiesGRADE not reported
Mild cognitive impairment (MCI)
Edentulism vs Dentate (reference) · Mean follow-up 8.87 years across all included studies
OR 1.90 [1.07, 3.35]3 studiesGRADE not reported

1 including review in total.