Oral Epidemiology

73 Questions | Total Attempts: 820

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Oral Epidemiology

IPFW Dental Public Health Oral Epidemiology


Questions and Answers
  • 1. 
    What index does the research center use for patients using a tartar control toothpaste for 6 lower anterior teeth?
    • A. 

      Navy Plaque Index

    • B. 

      Volpe-Manhold Calculus Index

    • C. 

      OHI-S

    • D. 

      Turesky Modification of the Quigley Hein

  • 2. 
    In the DMF caries index for teeth and tooth surfaces, are 3rd molars included if they are decayed, missing, or filled?
    • A. 

      Yes

    • B. 

      No

  • 3. 
    An epidemic is a disease occurring over a wide geographic area and affecting a high proportion of the population.
    • A. 

      True

    • B. 

      False

  • 4. 
    What kind of decay is the DMFT & S signifying?
    • A. 

      Irreversible decay

    • B. 

      Reversible decay

  • 5. 
    If you were doing a plaque index with debri for a group of preschool children, which one would you use?
    • A. 

      Def

    • B. 

      Pl I

    • C. 

      OHI-S

    • D. 

      PHP

  • 6. 
    An endemic is an occurrence of disease clealy in excess of normal expectancy.
    • A. 

      True

    • B. 

      False

  • 7. 
    The "e" in the def index stands for indicated for extraction. If a patient has teeth indicated for extraction for orthodontics, are they included in this index?
    • A. 

      Yes

    • B. 

      No

  • 8. 
    Which index would you use for a group of elderly patients in a nursing home?
    • A. 

      Plaque Index

    • B. 

      Patient Hygiene Performance

    • C. 

      Gingival Index

    • D. 

      Root Caries Index

  • 9. 
    In measuring the reliability of a measurement, an intraexaminer or intrarater reliability is consistency of findings by one examiner with those previously recorded by the same examiner.
    • A. 

      True

    • B. 

      False

  • 10. 
    Which index uses the WHO probe to calculate scores?
    • A. 

      Turesky

    • B. 

      Eastman Interdental Bleeding Index

    • C. 

      Sulcus Bleeding Index

    • D. 

      Periodontal Screening and Recording Index

  • 11. 
    Recurrent caries fall under which category?
    • A. 

      Decayed

    • B. 

      Missing

    • C. 

      Filled

    • D. 

      Indicated for Extraction

  • 12. 
    Root caries can fall under the Decayed portion of the DMFT index.
    • A. 

      True

    • B. 

      False

  • 13. 
    What is a proportion that uses a standard denominator and includes a time interval (1,000, 10,000, or 100,000 per year)?
    • A. 

      Rates

    • B. 

      Counts

    • C. 

      Proportions

    • D. 

      Index

  • 14. 
    Which index would you instruct your patient to use to calculate plaque control at home with disclosing solution or tablets?
    • A. 

      Plaque Control Record (O'Leary's)

    • B. 

      PI I

    • C. 

      Patient Hygiene Performance

    • D. 

      Plaque Free Score

  • 15. 
    What is the name of the index that measures occlusion?
    • A. 

      O'Leary's

    • B. 

      O'Sullivan's

    • C. 

      Angle's

    • D. 

      Dean's

  • 16. 
    You have a 9 year old patient with a mixed dentition. Which index would you use to calculate decay?
    • A. 

      DMFT and def combined

    • B. 

      Def

    • C. 

      Dmft

    • D. 

      DMFS

  • 17. 
    A 2.5 score on the Gingival Index indicates what?
    • A. 

      Excellence

    • B. 

      Good

    • C. 

      Fair

    • D. 

      Poor

  • 18. 
    Which index uses floss to calculate scores?
    • A. 

      Periodontal Screening and Recording

    • B. 

      Community Periodontal Index of Treatment Needs

    • C. 

      Gingival Bleeding Index

    • D. 

      Eastman Interdental Bleeding Index

  • 19. 
    Which index is measured with bleeding on probing?
    • A. 

      Gingival Index

    • B. 

      Sulcus Bleeding Index

    • C. 

      Gingival Bleeding Index

    • D. 

      Eastman Interdental Bleeding Index

  • 20. 
    Oral epidemiology is the study of disease and health in populations.
    • A. 

      True

    • B. 

      False

  • 21. 
    Which one does not indicate an asterisk on WHO probing on the Periodontal Screening & Recording Index?
    • A. 

      Indicated for extraction

    • B. 

      Mobility

    • C. 

      Marked recession

    • D. 

      Mucogingival involvement

  • 22. 
    The gingival indexes are reversible, just like the disease itself.
    • A. 

      True

    • B. 

      False

  • 23. 
    What is the agent when studying oral epidemiology?
    • A. 

      Host

    • B. 

      Environment

    • C. 

      Disease

    • D. 

      Population

  • 24. 
    The Greek word "edemos" means what?
    • A. 

      Native

    • B. 

      Epidemiology

    • C. 

      People

    • D. 

      All

  • 25. 
    Morbidity is the rate of disease or proportion of diseased persons in a geographic area.
    • A. 

      True

    • B. 

      False

  • 26. 
    Mortality is the proportion of people who live from a disease to the population of a geographic area for a period of time.
    • A. 

      True

    • B. 

      False

  • 27. 
    A count is a percentage method to measure oral disease.
    • A. 

      True

    • B. 

      False

  • 28. 
    Diagnosis of caries includes what criteria of measurement?
    • A. 

      Lost of at least 5 mm of tooth structure at enamel surface

    • B. 

      0.5mm

    • C. 

      .005mm

    • D. 

      .05mm

  • 29. 
    Morbidity is also known as the death rate in a population.
    • A. 

      True

    • B. 

      False

  • 30. 
    The "S" in DMFS stands for what?
    • A. 

      Sealants

    • B. 

      Surfaces

    • C. 

      Sulcus Depth

    • D. 

      Standard

  • 31. 
    The "M" in DMFT stands for missing for what reason?
    • A. 

      Congenitally missing teeth

    • B. 

      Indicated for Extraction due to Caries

    • C. 

      Indicated for Extraction for Ortho

    • D. 

      Deciduous teeth exfoliated

  • 32. 
    Deciduous teeth indexes (def) can also be used to detect teeth and also surfaces with decay on deciduous teeth.
    • A. 

      True

    • B. 

      False

  • 33. 
    A DMFT & S index can calculate the indication of the # of teeth at risk for decay.
    • A. 

      True

    • B. 

      False

  • 34. 
    What is the MOST COMMONLY used index to score plaque?
    • A. 

      OHI-S Oral Hygiene Simplified

    • B. 

      PI I Plaque Index

    • C. 

      Turesky Modification of the Quigley Hein

    • D. 

      Plaque Control Record

  • 35. 
    O'Leary's Plaque Index is good for calculating plaque accumulation for a group of people.
    • A. 

      True

    • B. 

      False

  • 36. 
    The OHI-S (Oral Hygiene Index Simplified) measures supra and subgingival calculus.
    • A. 

      True

    • B. 

      False

  • 37. 
    How many surfaces are used in measuring the Patient Hygiene Performance (PHP) index?
    • A. 

      4

    • B. 

      5

    • C. 

      6

    • D. 

      7

  • 38. 
    The PHP and OHI-S both use the 6 Ramjford teeth to calculate scores.
    • A. 

      True

    • B. 

      False

  • 39. 
    Which index do you use disclosing solution on the patient, but do not rinse?
    • A. 

      PHP

    • B. 

      OHI-S

    • C. 

      O'Leary's

    • D. 

      Plaque Control Record

  • 40. 
    The gingival index is measured by inflammation and bleeding on probing.
    • A. 

      True

    • B. 

      False

  • 41. 
    The PHP measures plaque and debri on tooth surfaces.
    • A. 

      True

    • B. 

      False

  • 42. 
    The GI Gingival Index is also called what?
    • A. 

      Loe and Silness

    • B. 

      Volpe Manhold

    • C. 

      O'Leary's

    • D. 

      Eastman's

  • 43. 
    The OHI-S Simplified Oral Hygiene Index measures what?
    • A. 

      Plaque and Debri on tooth surface

    • B. 

      Thickness of Plaque on tooth surface

    • C. 

      Presence of Plaque on tooth surface

    • D. 

      Existing Plaque and Calculus on tooth surface

  • 44. 
    What are the Ramjford Teeth?
    • A. 

      3, 8, 14, 19, 24, 30

    • B. 

      2, 3, 14, 19, 24, 30

    • C. 

      3, 9, 12, 19, 25, 28

    • D. 

      3, 8, 12, 15, 30, 31

  • 45. 
    The Community Periodontal Index of Treatment needs measures teeth in sextants.
    • A. 

      True

    • B. 

      False

  • 46. 
    The CPITN is the most common index used for periodontal screenings.
    • A. 

      True

    • B. 

      False

  • 47. 
    Bleeding indexes indicate a 0 for no bleeding and a 1 for bleeding.
    • A. 

      True

    • B. 

      False

  • 48. 
    What is the most common index for plaque in clinical research trials?
    • A. 

      Volpe Manhold

    • B. 

      PI I

    • C. 

      O'Leary's

    • D. 

      Turesky Modification of the Quigley Hein

  • 49. 
    In dental fluorosis the enamel is strong, but discolored.
    • A. 

      True

    • B. 

      False

  • 50. 
    Characteristics of dental fluorosis includes all of the following EXCEPT:
    • A. 

      Opacities concentrated in center of tooth

    • B. 

      Bilateral occurrences

    • C. 

      Severity on posterior teeth

    • D. 

      Usually near cusp tips

  • 51. 
    The range for Dean's Fluorosis Index is what?
    • A. 

      0-5

    • B. 

      0-3

    • C. 

      0-4

    • D. 

      0-7

  • 52. 
    A score of 3 on Dean's Fluorosis Index would indicate what?
    • A. 

      Very Mild

    • B. 

      Mild

    • C. 

      Moderate

    • D. 

      Severe

  • 53. 
    Which index out of all discussed in the most sensitive indicating it has the longest range of scoring?
    • A. 

      Dean's Fluorosis

    • B. 

      Thylstrup-Fejerskov

    • C. 

      TSIF

    • D. 

      OHI-S

  • 54. 
    Fluorosis can typically occur on a single tooth.
    • A. 

      True

    • B. 

      False

  • 55. 
    Brown stain starts coming into play on what level of Dean's Fluorosis?
    • A. 

      Very Mild

    • B. 

      Mild

    • C. 

      Moderate

    • D. 

      Severe

  • 56. 
    Pitting occurs on what level of fluorosis?
    • A. 

      Very Mild

    • B. 

      Mild

    • C. 

      Moderate

    • D. 

      Severe

  • 57. 
    Teeth are dried to detect fluorosis in Thylstrup-Fejerskov and TSIF.
    • A. 

      True

    • B. 

      False

  • 58. 
    In the Navy Plaque Index, a Pocket Score of 8 means what?
    • A. 

      Depths of 1-3mm

    • B. 

      Depths of 3-5mm

    • C. 

      Depths of 8mm+

    • D. 

      Depths of 5mm+

  • 59. 
    At what level of TSIF (Tooth Surface Index of Fluorosis) does pitting start to occur?
    • A. 

      4

    • B. 

      5

    • C. 

      6

    • D. 

      7

  • 60. 
    At what level does staining occur on the TSIF?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 61. 
    Oral Cancer cases are more commonly found in African Americans.
    • A. 

      True

    • B. 

      False

  • 62. 
    The Pl I measures what?
    • A. 

      Thickness of plaque

    • B. 

      Presence of plaque

    • C. 

      Existing plaque and calculus

    • D. 

      Plaque and debri on tooth surface

  • 63. 
    The Simplified Oral Hygiene Index uses disclosing solution and measures plaque only.
    • A. 

      True

    • B. 

      False

  • 64. 
    An excellent score on the Plaque Index would be what?
    • A. 

      0.5

    • B. 

      10%

    • C. 

      100%

    • D. 

      3

  • 65. 
    Patient Hygiene Performance uses the Ramjford teeth.
    • A. 

      True

    • B. 

      False

  • 66. 
    A Code 4 on the Loss of Attachment Index indicates what?
    • A. 

      5.5mm+ LOA

    • B. 

      4mm+ LOA

    • C. 

      9-11mm LOA

    • D. 

      12mm+ LOA

  • 67. 
    A score of 3 on the Turesky Modification indicates what?
    • A. 

      Cervical plaque only

    • B. 

      Less than 2/3 of the tooth covered

    • C. 

      2/3+

    • D. 

      A band of plaque

  • 68. 
    The Index of Periodontal Screening and Recording is best described at measuring what?
    • A. 

      Attachment Loss

    • B. 

      State of Perio Health

    • C. 

      Perio Treatment Needs

    • D. 

      Pockets, Calculus, and Bleeding

  • 69. 
    A Code 4 on the CPITN indicates what?
    • A. 

      Oral Hygiene Instruction

    • B. 

      Supra/Subgingival Calculus w/ defective restorations

    • C. 

      4-5mm pockets

    • D. 

      6mm+ pockets

  • 70. 
    How many teeth per sextant are calculated on the Community Periodontal Index of Treatment Needs (CPITN)?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 71. 
    The Turesky Modification of the Quigley Hein has a range of scores of what?
    • A. 

      0-5

    • B. 

      0-7

    • C. 

      0-8

    • D. 

      0%-100%

  • 72. 
    A Code 4 on the Periodontal Screening and Recording Index indicates what?
    • A. 

      Supragingival calculus and defective margins

    • B. 

      Black on probe partly visible

    • C. 

      Black on probe completely disappears

    • D. 

      Black visible on probe and bleeding occurs

  • 73. 
    A score of 1 on the Gingival Index would indicate what kind of results?
    • A. 

      Excellent

    • B. 

      Good

    • C. 

      Fair

    • D. 

      Poor