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Public Health.

Sam Asher1, Alina Solomon2,3,4, Ruth Stephen3,5,6

  • 1Institute of Dentistry, University of Eastern Finland, Kuopio, Finland, Kuopio, Finland.

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Summary
This summary is machine-generated.

Poor oral health habits and recent dental problems are linked to cognitive decline and increased dementia risk. Addressing these issues may support long-term brain health.

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Area of Science:

  • Gerontology
  • Public Health
  • Neurology

Background:

  • Existing literature links oral diseases to elevated dementia risk.
  • Subjective oral health aspects, habits, and behaviors require further investigation regarding their long-term cognitive impact.

Purpose of the Study:

  • To investigate the association between subjective oral health, habits, behaviors, and long-term cognitive decline and dementia risk.
  • To analyze the impact of specific oral health indicators on cognitive function over an 11-year period and dementia incidence over 15 years.

Main Methods:

  • Utilized data from the Finnish Health 2000 and Health 2011 surveys.
  • Assessed oral health variables including brushing frequency, dental visit frequency and reasons, oral problems, self-reported oral health, and xerostomia.
  • Cognitive function was evaluated using verbal fluency, immediate and delayed recall tests, and a composite cognitive score (CCS).

Main Results:

  • Brushing less than once daily and frequent dental visits (≥3/year) were associated with immediate recall decline.
  • Seeking dental care solely for symptoms correlated with verbal fluency decline, while xerostomia was linked to delayed recall decline.
  • Higher dementia risk was observed in individuals with frequent dental visits, recent oral problems, and poor self-reported oral health.

Conclusions:

  • Poor oral hygiene, recent oral health issues, and frequent dental care utilization negatively impact long-term cognition.
  • Further research is needed to elucidate underlying mechanisms and the effectiveness of oral health interventions on cognitive health.