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Purpose <p>This comprehensive systematic review examined the relationship between oral health and function and the incidence of physical disability and mortality.</p> Methods <p>Ovid-MEDLINE, Ovid-EMBASE, and the Cochrane Library were systematically searched, updated February 24th, 2025. Eligible studies included community-dwelling adults aged 50&#xa0;years or older who underwent oral health-related assessments or interventions and reported outcomes related to physical disability or mortality. Random-effects meta-analysis was used to pool estimates, and subgroup analyses were performed by follow-up duration, study design, and participant age. Risk of bias was assessed using the Risk of Bias for Assessment tool for Nonrandomized Studies version 2.0. tool.</p> Results <p>Of the 32 articles included, 7 explored the association between oral health or function-related factors and physical disability, 22 investigated mortality outcomes, and 3 examined both outcomes. In total, 441,508 participants were included. Edentulism (OR, 1.73, 95% CI [1.48–2.01], <i>I</i><sup>2</sup> = 0%) was significantly associated with physical disability. Regarding mortality, significant risk factors included reduced swallowing function (OR, 2.11, 95% CI [1.88–2.37], <i>I</i><sup>2</sup> = 0%), oral frailty (OR, 2.06, 95% CI [1.87–2.27], <i>I</i><sup>2</sup> = 0%), fewer than 20 teeth (OR, 2.04, 95% CI [1.67–2.49], <i>I</i><sup>2</sup> = 89.7%), edentulism (OR, 1.87, 95% CI [1.35–2.59], <i>I</i><sup>2</sup> = 97.0%), and chewing difficulty (OR, 1.77, 95% CI [1.08–2.91], <i>I</i><sup>2</sup> = 95.9%).</p> Conclusions <p>This systematic review revealed that oral health and function, particularly, masticatory ability and the number of teeth, significantly contributed to physical disability and mortality in older adults.</p>

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Deteriorated oral health and function as risk factors for physical disability and mortality in community-dwelling older adults: a systematic review and meta-analysis

  • 期刊论文

  • 发表日期：

    2025年10月6日

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  • Min Jung Ko,
  • Seongwoo Seo,
  • Jong Seob So,
  • Hoi-In Jung,
  • Hong-Seop Kho,
  • Kyung Lhi Kang,
  • Seung-Ryong Ha,
  • Nam-Hee Kim,
  • Jina Lee Linton,
  • Jeong-Hyun Kang

摘要

Purpose

This comprehensive systematic review examined the relationship between oral health and function and the incidence of physical disability and mortality.

Methods

Ovid-MEDLINE, Ovid-EMBASE, and the Cochrane Library were systematically searched, updated February 24th, 2025. Eligible studies included community-dwelling adults aged 50 years or older who underwent oral health-related assessments or interventions and reported outcomes related to physical disability or mortality. Random-effects meta-analysis was used to pool estimates, and subgroup analyses were performed by follow-up duration, study design, and participant age. Risk of bias was assessed using the Risk of Bias for Assessment tool for Nonrandomized Studies version 2.0. tool.

Results

Of the 32 articles included, 7 explored the association between oral health or function-related factors and physical disability, 22 investigated mortality outcomes, and 3 examined both outcomes. In total, 441,508 participants were included. Edentulism (OR, 1.73, 95% CI [1.48–2.01], I2 = 0%) was significantly associated with physical disability. Regarding mortality, significant risk factors included reduced swallowing function (OR, 2.11, 95% CI [1.88–2.37], I2 = 0%), oral frailty (OR, 2.06, 95% CI [1.87–2.27], I2 = 0%), fewer than 20 teeth (OR, 2.04, 95% CI [1.67–2.49], I2 = 89.7%), edentulism (OR, 1.87, 95% CI [1.35–2.59], I2 = 97.0%), and chewing difficulty (OR, 1.77, 95% CI [1.08–2.91], I2 = 95.9%).

Conclusions

This systematic review revealed that oral health and function, particularly, masticatory ability and the number of teeth, significantly contributed to physical disability and mortality in older adults.