ArticleCureus2026
A Simple Feeding Efficiency Test as a Screening Tool for Oral Function in Older Adults: A Cross-Sectional Study.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
5 authors.
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Abstract
Background Aspiration pneumonia is a major public health concern among older adults in aging societies. Although various oral function tests are available, most assess only a single aspect of oral function and require specialized equipment. Therefore, a simple and comprehensive screening indicator applicable in routine clinical practice is needed. This study aimed to evaluate the potential usefulness of a newly developed feeding efficiency (FE) test as a screening indicator of oral function in older adults. Methods This cross-sectional study included older adults aged ≥65 years who visited a dental clinic and provided informed consent. Data collected included age, sex, oral hygiene status (Oral Hygiene Index-Debris Index (OHI-DI)), salivary flow rate, maximum tongue pressure, oral diadochokinesis (ODK) (/pa/, /ta/, /ka/), number of remaining teeth, and functional tooth units of natural teeth and artificial teeth on implant-supported or fixed pontics (nif-FTU). FE was assessed using a sausage-based feeding task and was defined as the amount of food ingested (g) divided by the number of chewing cycles required to complete swallowing, reflecting FE during habitual eating. Associations between FE, oral function measures, and salivary bacterial counts were analyzed. Results A total of 43 participants (16 males and 27 females; mean age 73.7 years) were included. FE values ranged from 5.6 to 67.7 (mean±SD: 24.4±14.8). Participants with nif-FTU ≥6 demonstrated significantly higher FE values than those with nif-FTU <6 (
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