Perio ch 2

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darbydo88
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64320
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Perio ch 2
Updated:
2011-02-05 15:57:15
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exam perio
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exam 1 perio
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  1. Study of health and disease in the human population
    Epidemiology
  2. Proportion of individuals having disease (old and
    new) at a given time
    Prevalence
  3. Rate of new cases occurring
    Incidence
  4. Why is epidemiology important?
    Identify risk factors, events
  5. Degree of periodontal disease involvement
    – mild, moderate, severe
    Severity--quantification
  6. Number or percentage of diseased teeth/sites per person
    – localized, generalized
    extent
  7. NHANES III
    National health and nutrition examination survey
  8. singnificance of indicies
    • Measurement systems (tools) to collect data
    • Numerical expression
    • Treatment planning
  9. Standardize and reproduce findings for
    comparison
    Private office and research
    Indicies
  10. criteria for use of indicies (8)
    • Simplicity
    • Quick to perform
    • Sensitivity
    • Validity
    • Reliability
    • Acceptable to subjects
    • Statistical analysis
    • Clinically significant to researchers
  11. Different types to measure
    • Plaque
    • Calculus
    • Inflammation (bleeding)
    • Periodontal destruction
  12. Plaque indicies 4 types
    • O’Leary Plaque Index
    • Silness and Löe Plaque Index
    • Simplified Oral Hygiene Index (Greene and Vermillion)
    • Quigley-Hein Index
  13. O' Leary Plaque Index
    • Location of plaque
    • 10% reduction goal
    • Simple index for patient education
    • Good for private practice
  14. Assess gingival inflammation Bleeding, redness, swelling
    gingival indicies
  15. Which one of the following indices is best used to monitor a patient’s plaque control in private dental practice?
    O’Leary Plaque Record
  16. Measures disease severity and extent
    Periodontal destruction indicies
  17. Periodontal Screening and Recording (PSR) System
    • For general practice
    • Evaluates patient treatment needs
    • Records periodontal status of patient in private
    • practice
  18. Prevelence of gingivitis
    50%; involving 3-4 teeth
  19. Prevelence of advanced periodontitis
    5-20%
  20. Prevelence of agressive periodontitis
    <1%
  21. studies examined at multiple intervals
    longitudinal studies
  22. Epidemiologic Variables
    • Risk indicators
    • • age
    • • osteoporosis
    • Risk factors
    • • diabetes mellitus
    • • smoking
    • • dental biofilms
    • Risk determinants
    • • e.g., race, gender, age are risk determinants because they cannot be modified
  23. Associated with periodontal disease but not the direct cause of it (demographic, socioeconomic, behavioral)
    Risk indicators
  24. Characteristics possibly putting individuals at more risk
    Risk factors
  25. Risk factors that cannot be changed or modified
    Risk determinants
  26. Epidemiology measures periodontal disease utilizing
    • plaque,
    • calculus,
    • gingival, and
    • periodontal indices
  27. most common form of periodontal disease
    gingivitis
  28. Risk factors are used to predict (2)
    • occurance
    • probability of deases
  29. Is Chronic periodontitis is prevalent in the general population?
    Yes
  30. Future Trends
    • Decrease in edentulism
    • Increased prevalence of periodontal diseases

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