The challenge of treating multimorbid older patients in order to achieve the best possible outcome is a central theme in medicine. It is widely known that hospitalisation itself is an additional risk factor for older patients regardless of their underlying disease. 1 Possible sarcopenia, malnutrition, delirium and polypharmacy often complicate and prolong the hospital stay. 2 For older people living alone, there is also a risk of longer hospitalisation time. 3 Additionally, because of physiological age-related changes and frailty, adverse events after mild interventions occur more often than in younger adults and can lead patients into

Aim To identifying tools for the reliable and systematic evaluation of oral health in older inpatients as well as to addressing the association between oral health and patients' prognosis as measured by the Comprehensive Geriatric Assessment (CGA)-based Multidimensional Prognostic Index (MPI). Findings Valid oral health examinations can be performed in older inpatients and are associated with individual multidimensional prognosis. Message Oral health should be assessed and incorporated into clinical decisions to improve patients' prognosis and prevention.

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