Dental Caries Quiz

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Questions and Answers

Which factor is considered to have an associative role in the carious process?

  • Streptococcus mutans (correct)
  • Relative stagnancy of the plaque
  • Complex ecology of bacteria
  • Age of the patient

What is the primary causative bacterial species in the carious process?

  • Actinomyces viscosus
  • Porphyromonas gingivalis
  • Lactobacillus acidophilus (correct)
  • Streptococcus mutans

What factor makes oral hygiene difficult for the 70-year-old patient mentioned?

  • Painful mucosae
  • Dry mouth (xerostomia)
  • Impaired toothbrush manipulation (correct)
  • Rheumatoid arthritis

In which type of lesions are slowly progressing root surface lesions observed?

<p>Dark, leathery dentine surfaces (D)</p> Signup and view all the answers

Where is an active root caries lesion with overlying plaque deposit observed in the provided example?

<p>In an area of stagnation alongside the margins of a partial denture (A)</p> Signup and view all the answers

What factors interact in the aetiology of the carious process?

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

How many different species exist within the plaque biofilm?

<p>Several hundred</p> Signup and view all the answers

What is the age and relative stagnancy of the plaque dependent on?

<p>Tooth surface</p> Signup and view all the answers

What is the primary causative bacterial species in the carious process?

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

What is the mouth condition of the 70-year-old patient with impaired toothbrush manipulation and painful mucosae?

<p>Dry mouth (xerostomia, secondary Sjögren’s syndrome) and rheumatoid arthritis</p> Signup and view all the answers

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