Endodontic Materials and Medications Quiz
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Questions and Answers

Why is camphor added to parachlorophenol (PCP)?

  • Enhances the toxic effect of PCP
  • Reduces the irritating effect of PCP (correct)
  • Has diluent action
  • Decreases the antimicrobial effect of PCP

    • What is the role of phenolic and similar compounds when placed on a cotton pellet in the pulp chamber?

  • Enhance the antimicrobial effect
  • Minimize chances of periapical irritation
  • Increase surface tension in the canal
  • Allow vapors to penetrate the entire canal preparation (correct)

    • What is the bactericidal effect level of formocresol?

  • 5%
  • 2% (correct)
  • 1%
  • 10%

    • What type of compound is paraformaldehyde?

    <p>Polymeric form of formaldehyde</p> Signup and view all the answers

    In endodontics, why is sodium hypochlorite sometimes used as an intracanal medicament?

    <p>To disinfect the root canal system</p> Signup and view all the answers

    What are the properties of paraformaldehyde?

    <p>Toxic, allergenic, and genotoxic</p> Signup and view all the answers

    What is a disadvantage of using calcium hydroxide as an intracanal medicament?

    <p>It is difficult to remove completely from root canals.</p> Signup and view all the answers

    Which statement about the use of calcium hydroxide is true?

    <p>It acts as a physical barrier against bacterial ingress into the root canal system.</p> Signup and view all the answers

    What is the primary purpose of using a corticosteroid-antibiotic combination like Ledermix in endodontic treatment?

    <p>To provide immediate relief of pain and prevent bacterial overgrowth.</p> Signup and view all the answers

    Which statement about the use of calcium hydroxide in endodontic treatment is false?

    <p>It is effective in reducing the incidence of root resorption.</p> Signup and view all the answers

    According to the information provided, what is the primary advantage of using Ledermix paste as a root canal medicament?

    <p>It provides immediate relief of pain and prevents bacterial overgrowth.</p> Signup and view all the answers

    Which of the following is not mentioned as an advantage of using calcium hydroxide in endodontic treatment?

    <p>It is effective in eliminating all types of bacterial biofilms.</p> Signup and view all the answers

    What is a required characteristic for an intracanal medication mentioned in the text?

    <p>Low surface tension</p> Signup and view all the answers

    Which of the following is a key consideration for the placement procedure of an intracanal medication?

    <p>Presence of blood and serum</p> Signup and view all the answers

    What is a feature of Triple-Antibiotics Paste based on the text?

    <p>Active in the presence of protein derivatives</p> Signup and view all the answers

    Which component is associated with the Bioactive Glass mentioned in the text?

    <p>Calcium Hydroxide</p> Signup and view all the answers

    What is a side effect associated with Eugenol at high doses?

    <p>Cytotoxic effect</p> Signup and view all the answers

    Why is Parachlorophenol no longer used in endodontics?

    <p>High toxicity</p> Signup and view all the answers

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