Nutritional Intervention for Older Adults With Complete Dentures

Inclusion Criteria: * Men and women aged 60 to 80 years. * Systemically healthy individuals or those with controlled chronic systemic conditions under regular medical supervision. * Functionally independent individuals, or those with a dedicated family member or caregiver available to provide support throughout the study period. * Wearers of both maxillary and mandibular complete removable dentures. * Adequate stability, retention, and functionality of both complete dentures allowing the participant to chew effectively during daily meals (accepting minor retention or stability limitations in the mandibular prosthesis, provided routine functional mastication is maintained). * Acceptable centric occlusion and jaw relationship allowing functional mastication. * Intact oral mucosa without active lesions or severe soreness in the denture-bearing areas. Exclusion Criteria: * Altered salivary flow (hyposalivation or xerostomia) identified via anamnesis and sialometry, with an unstimulated salivary flow rate \< 0.1 mL/min or a stimulated salivary flow rate \< 0.5 mL/min. * Active oral mucosa diseases or lesions (e.g., cheilitis, denture stomatitis, ulcers, or aphthae) verified through intraoral examination. * Diagnosis of a major neurocognitive disorder by a qualified professional, verified via medical records and/or caregiver interview. * Color blindness (daltonism or color vision deficiency). * Presence of signs or symptoms of temporomandibular disorders (TMD). * Known history of allergy to peanuts or latex. * Underweight or severe undernutrition, defined as a Body Mass Index (BMI) \< 18.5 kg/m².