Oral frailty affects 52% of cancer patients, meta-analysis findsOral Frailty is Common Among Patients with Cancer
Frontiers in MedicinePublished August 29, 2026DOI ↗Editorial oversight: Dr. Sofia Müller, MD · Lifespan & Whole-Person Care
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Key Takeaway
Consider screening cancer patients for oral frailty, especially those with dentures or poor oral health.
This is a meta-analysis of 13 studies including 3,524 participants with cancer, aiming to estimate the prevalence of oral frailty and identify associated factors. The pooled prevalence of oral frailty was 52% (95% CI: 46%–59%). The analysis also quantified associations with several modifiable and clinical factors.
Denture use showed the strongest association (OR = 15.09, 95% CI: 6.78–33.58), followed by poor oral health (OR = 4.70, 95% CI: 2.13–10.39), physical frailty (OR = 3.63, 95% CI: 2.40–5.50), smoking (OR = 3.53, 95% CI: 2.34–5.31), xerostomia (OR = 3.46, 95% CI: 2.11–5.68), malnutrition (OR = 3.40, 95% CI: 2.01–5.75), and radiotherapy (OR = 2.62, 95% CI: 1.67–4.11).
The authors note that these are associations, not proof of causality. The meta-analysis did not report limitations, funding, or conflicts of interest. Follow-up duration and setting were not reported.
For practice, oral frailty is common in cancer patients and linked to several potentially addressable factors. Clinicians may consider incorporating oral frailty screening into oncology care, especially for patients with dentures, poor oral health, or those who have received radiotherapy. However, given the observational nature of the included studies, these findings should be interpreted cautiously.
How this fits prior evidence
This meta-analysis extends prior coverage on cancer patient assessment by quantifying oral frailty prevalence and its associations. It complements earlier findings on risk prediction in cancer management, adding a specific, actionable clinical factor. The strong association with denture use (OR = 15.09) and physical frailty (OR = 3.63) aligns with the multimodal approach to cancer care, though causality remains unproven.
A large review of 13 different studies involving 3,524 people found that oral frailty is common in those with cancer. The data showed that 52% of these patients experienced some form of oral frailty.
Several factors were linked to a higher risk of oral frailty. These included the use of dentures, poor oral health, and physical frailty. Other factors associated with the condition included smoking, malnutrition, and dry mouth (xerostomia). The study also noted a link between radiotherapy and oral frailty.
It is important to note that these results show a link between these factors and oral frailty, but they do not prove that one caused the other. Because this is a broad review of multiple studies, the results reflect a general trend rather than a specific rule for every individual. Patients should talk to their doctors about these findings to understand how they apply to their specific care.
What this means for you:
Over half of cancer patients may experience oral frailty, which is linked to factors like smoking and oral health.
Common questions
How common is oral frailty in cancer patients?
The study found that 52% of cancer patients experienced oral frailty. This indicates that it is a common condition among this group of patients.
What factors are linked to oral frailty?
Several factors were linked to oral frailty, including denture use, poor oral health, physical frailty, smoking, malnutrition, xerostomia (dry mouth), and radiotherapy.
Does this mean these factors cause oral frailty?
The study shows a link between these factors and oral frailty, but it does not prove that one causes the other. You should speak with your doctor to discuss your specific health needs.
IntroductionThis study systematically evaluated the prevalence of oral frailty and its associated influencing factors among patients with cancer through a comprehensive systematic review and meta-analysis.MethodsA systematic search was conducted across nine electronic databases up to January 13, 2026, and 13 studies involving 3,524 participants were ultimately included.ResultsThe pooled analysis demonstrated that the prevalence of oral frailty in patients with cancer was 52% (95% CI: 46%–59%), indicating a substantial disease burden in this population. Several factors were identified as associated with oral frailty, including denture use (OR = 15.09, 95% CI: 6.78–33.58), poor oral health (OR = 4.70, 95% CI: 2.13–10.39), physical frailty (OR = 3.63, 95% CI: 2.40–5.50), smoking (OR = 3.53, 95% CI: 2.34–5.31), malnutrition (OR = 3.40, 95% CI: 2.01-5.75), xerostomia (OR = 3.46, 95% CI: 2.11–5.68), and radiotherapy (OR = 2.62, 95% CI: 1.67–4.11). Sensitivity analysis confirmed the robustness of the results, and Egger's test indicated no significant publication bias (P > 0.05).DiscussionThese findings suggest that oral frailty is relatively common among patients with cancer and is associated with several identifiable factors.Systematic review registrationhttps://www.crd.york.ac.uk/PROSPERO/, identifier: CRD420261281120.
