Finds that oral bacteria levels influence cognitive performance in older adults with varying tooth loss, suggesting important implications for oral health.
The effect of tooth loss on verbal fluency depends on oral bacterial imbalances: if there is significant tooth loss, bacterial imbalances may not be important. However, when fewer teeth are lost, high bacterial imbalances may account for lower verbal fluency. These findings suggest that maintaining periodontal health aimed at decreasing oral dysbiosis should be promoted among older adults in the community.Knowledge Transfer Statement:Our findings highlight the importance of preserving the health of the teeth and not just retaining the teeth. Oral health awareness and good oral hygiene practice should be further promoted among older adults in the community.
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Luo et al. (2026) studied this question.
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