How well do you know the 2018 classification system for periodontitis?
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Questions and Answers

Which of the following is a sign of stage IV periodontitis according to the 2018 classification system?

  • Attachment loss reaching the middle third of the root
  • Loss of posterior support and/or flaring of anterior teeth
  • Tooth migration and drifting
  • All of the above (correct)

    • What is the main difference between stage III and stage IV periodontitis according to the 2018 classification system?

  • The severity of periodontal inflammation
  • The presence of tooth migration and drifting
  • The need for complex rehabilitation (correct)
  • The extent of attachment loss

    • Why is a differential diagnosis important in the case of masticatory dysfunction?

  • To identify the presence of periodontitis
  • To avoid tooth loss
  • To determine the cause of the dysfunction (correct)
  • To decide on the appropriate treatment plan

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