Evaluation of Efficacy of Coconut Oil Mouth Care for Non-autonomous Hospitalised Elderly People.

Inclusion Criteria: * Patients aged 75 and over * Patients hospitalised in geriatric medicine and geriatric SMR departments * Patients able to open their mouths for treatment * Patients not able to carry out their oral hygiene on their own * Patients who have given their written consent (consent of the patient or patient consent accompanied by the designated representative if the patient is unable to give written consent) Exclusion Criteria: * Patients with a known allergy to coconut * Patients requiring medicated mouth care as prescribed by a doctor * Patients under guardianship, tutorship or curatorship * Confused patients who have had medically diagnosed dehydration for less than 48 hours * Patients with swallowing difficulties * Patients in the terminal phase of end of life Secondary exclusion criteria: * Patients leaving the department between D1 and D8 (whatever the reason for discharge, and including in the event of death) * Patients whose condition progresses towards a terminal phase of the end of life between D1 and D8 * Patients experiencing an allergic reaction to Coconut Oil during the study * Patients who may present with dehydration during the study