Dental Health and Diseases
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Questions and Answers

What is the primary cause of tooth decay?

  • Actinomyces
  • Streptococcus mutans (correct)
  • Bacteroides
  • Streptococcus pneumoniae

    • What is the term for the inflammation of the periodontium tissues that surround and support the teeth?

  • Dental caries
  • Gingivitis
  • Trench mouth
  • Periodontitis (correct)

    • What is the primary function of saliva in the oral cavity?

  • To help control the growth of opportunistic oral flora (correct)
  • To facilitate the growth of opportunistic oral flora
  • To produce antagonistic secretions to other bacteria
  • To introduce new species of bacteria into the oral microflora

    • What is the estimated number of identified bacterial species in the oral microflora?

    <p>300</p> Signup and view all the answers

    What is the name of the polysaccharide formed by streptococci from sugars?

    <p>Dextran</p> Signup and view all the answers

    Which of the following is NOT a consequence of poor oral hygiene?

    <p>Gastrointestinal disease</p> Signup and view all the answers

    Which of the following bacteria is NOT a common cause of atypical pneumonia?

    <p>Streptococcus aureus</p> Signup and view all the answers

    What is the purpose of some beneficial bacteria in the oral microflora?

    <p>To produce secretions that are antagonistic to other bacteria</p> Signup and view all the answers

    What is the term for the collective group of diseases including gingivitis, periodontitis, and trench mouth?

    <p>Periodontal diseases</p> Signup and view all the answers

    What is the primary mechanism by which regular fluoride treatments help prevent oral diseases?

    <p>Inhibiting the growth of harmful bacteria</p> Signup and view all the answers

    What is the term for the complex ecosystem of microorganisms in the oral cavity?

    <p>Oral microflora</p> Signup and view all the answers

    Which of the following is NOT a function of the oral microflora?

    <p>To introduce new species of bacteria into the oral microflora</p> Signup and view all the answers

    What is the inflammation of the mucous membrane lining of the bronchial tubes?

    <p>Bronchitis</p> Signup and view all the answers

    Which type of pneumonia is caused by Streptococcus pneumoniae and Haemophilus influenzae?

    <p>Typical Pneumonia</p> Signup and view all the answers

    What is the inflammation of the mucous membrane and underlying tissue of the pharynx?

    <p>Pharyngitis</p> Signup and view all the answers

    Which of the following is a common symptom of typical pneumonia?

    <p>Fever</p> Signup and view all the answers

    What is the inflammation of the lining of one or more of the paranasal sinuses?

    <p>Sinusitis</p> Signup and view all the answers

    What is the term for a cough that produces purulent sputum?

    <p>Productive cough</p> Signup and view all the answers

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