Clinical Validity of the Oral Frailty Five‐Item Checklist ( <scp>OF</scp> ‐5) for the Diagnosis of Oral Hypofunction

The OF-5 is a useful screening test for oral hypofunction, involving masticatory, swallowing, and tongue dysfunction and oral dryness. However, there is also a need for dental examination to identify poor oral hygiene, which cannot be detected using the OF-5 test.