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Questions and Answers
What is a characteristic of alveolar bone changes with age?
What is a difference in supragingival plaque composition with age?
Why do older individuals demonstrate more inflammation?
What is a characteristic of periodontal pathogens with age?
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Why is age not considered a true risk factor for periodontitis?
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What is necessary to prevent continued loss of attachment?
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What happens if effective periodontal therapy is not provided?
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What is a characteristic of bone graft preparations from older donors?
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What is aging of an organ defined as?
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What is the effect of aging on the keratinization of gingival epithelium?
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What is the effect of aging on the width of the attached gingiva?
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What happens to the collagen in the gingival connective tissue with aging?
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What is the effect of aging on the number of fibroblasts in the gingival connective tissue?
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What happens to the cementum width with aging?
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What is the effect of aging on the vascularity of the periodontium?
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What is the effect of aging on the mitotic activity of cells in the periodontal ligament?
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Study Notes
Aging and Periodontium
- Aging is characterized as a disintegration of balanced control and organization, leading to decreased functional ability of organs.
- Aging of an organ is defined as post-maturational deteriorative changes that increase vulnerability to challenges.
Effects of Aging on Periodontium
- Thinning of gingival epithelium:
- Decreased keratinization
- Increased epithelial permeability to pathogens
- Decreased resistance to functional trauma
- Changes in connective tissue:
- More dense and coarse
- Qualitative and quantitative changes to collagen
- Increased collagen stabilization
- Decreased number of fibroblasts, irregular structure, and decreased organic matrix production
- Decreased epithelial cell rests and collagen fibers, reducing tissue elasticity
Changes in Periodontal Ligament (PDL)
- Decreased number of cells with reduced mitotic activity
- Changes in width of PDL and decreased vascularity
- Greater number of elastic fibers
- Increased width of cementum (5-10 times) with age, especially apically and lingually
Changes in Alveolar Bone
- Increased osteoporosis and decreased vascularity
- Bone resorption increased or decreased
- Greater irregularity in surface facing PDL
Effects of Aging on Periodontal Disease
- Increased dentogingival plaque accumulation with age and increasing surface area
- Changes in subgingival plaque composition, with increased enteric rods and pseudomonads in older adults
- Periodontal pathogens, including P. GINGIVALIS, play a more significant role in older adults
Response to Treatment
- No differences in response to non-surgical or surgical treatment have been shown for periodontitis
- Importance of plaque control and effective periodontal therapy to prevent disease progression with age
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Description
Quiz on the effects of aging on the periodontium and the progression of periodontal diseases, including changes in organ function and vulnerability to challenges.
