This guide educates caregivers about oral health importance for older adults, explaining how poor oral hygiene can cause pain, malnutrition, diabetic complications, and lung infections. It covers recognizing oral problems through behavioral changes like refusing to eat or increased agitation, provides practical brushing techniques including twice-daily fluoride toothpaste use, proper denture care with overnight removal and cleaning, special considerations for swallowing difficulties including upright positioning and reduced foaming, and emphasizes that oral care remains essential even for tube-fed patients.