NUTR 3150 Lecture Notes - Lecture 4: Periodontitis, Dental Caries, Mycosis
21 Oct 2017
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Document Summary
Healthy aging does occur: changes in cell structure and function occur with age, but may not have an impact on and individual"s functioning declines do occur, but not all are inevitable. Some things are certain: change in body composition, reduction in physical resilience, change in food and/or nutrient intake. Nutrition: oral health, sensory properties, body composition, skeletal structure, gait and balance, skin, cardiovascular system, gastrointestinal system, appetite and thirst, kidneys, other. Oral health- teeth: dentures, chewing capacity approximately 20-25% of natural teeth, less bone and gum at bottom, when teeth are removed less stability, large portion wear ill fitted dentures, fungal infection, ulcerations. Hyperplasia: bone shrinkage, partial dentures, clip to existing teeth, gum irritation, plaque buildup. Saliva: no changes in volume, increased viscosity, xerostomia (dry mouth) more common in older age, often d/t medications, disease tx (ie. radiation therapy) Impacts taste mechanisms, difficulty chewing/swallowing, risk of infection. Odorant molecules bind to specific sites on the olfactory receptors: somatosensory.
