Prevention & Diet Meta-analysis ✓ Peer reviewed

Oral Health and Risk of Malnutrition in Older Adults: A Systematic Review and Meta-analysis.

Journal of International Society of Preventive & Community Dentistry · Takehara S, Thwin KM, Ramadhani A, Chairunisa F, Torres OYV, Tassanapong N, Okubo H, Tun TZ, Ogawa H · 2026-05-25

A systematic review of 19 studies found that older adults with fewer than 20 teeth or no teeth had reduced nutrient intake and significantly increased risk of malnutrition and unintentional weight loss compared to those with adequate dentition.

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.

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