The document discusses the effects of aging on edentulous patients. It describes the physiological, psychological, and pathological changes that occur with aging, including loss of teeth and senses, osteoporosis, nutritional changes, and memory loss. It also discusses the impact of these changes on oral health, such as thin oral mucosa, dry mouth, and increased risk of oral cancer for denture wearers. Treatment for the aging patient must consider these effects and address their psychological and esthetic needs.