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Diseases of the periodontium occurs in the childhood, adolescence and early adulthood, but the prevalence of periodontal diseases and tissue destruction increases with age. The increase may be caused by the cumulative effect of the number of bursts of periodontal destruction, deterioration in plaque removal efficiency, or an increase in (he number of teeth retained in old age and therefore affected by plaque-induced disease. But with appropriate periodontal therapy and self-performed plaque control, older patients can be expected to have as favorable treatment outcomes as young patients.
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