Polymer Chemistry Basics
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Questions and Answers

What is a polymer?

  • A single repeating unit in a polymer chain
  • A chemical reaction that forms polymers
  • A small organic molecule
  • A large organic molecule formed by the union of many smaller repeating units (correct)

    • What is a monomer?

  • A large organic molecule
  • A chemical reaction that forms polymers
  • A repeating unit in a polymer chain
  • A single molecule from which a polymer is constructed (correct)

    • What is meant by the term 'mer'?

  • A chemical reaction that forms polymers
  • A single repeating unit in a polymer chain (correct)
  • A large organic molecule
  • A small organic molecule

    • What are copolymers?

    <p>Polymers made of two or more different monomer species</p> Signup and view all the answers

    What is the degree of polymerization (D.P)?

    <p>The total number of repeated units in the polymer chain</p> Signup and view all the answers

    What is polymerization?

    <p>A chemical reaction in which monomers are converted into polymer chains</p> Signup and view all the answers

    What are the essential requirements of dental waxes?

    <p>All of the above</p> Signup and view all the answers

    What is the primary composition of dental waxes?

    <p>They consist of organic polymers and their derivatives</p> Signup and view all the answers

    What is a characteristic property of dental waxes?

    <p>They remain solid at room temperature but melt without decomposition</p> Signup and view all the answers

    Which of the following is NOT a common application of dental waxes?

    <p>Fabricating permanent dental crowns</p> Signup and view all the answers

    What is a desirable property of dental waxes related to their appearance?

    <p>They should have a definite contrast in color to facilitate margin finishing</p> Signup and view all the answers

    Which of the following statements about dental waxes is correct?

    <p>They are easily carved and can produce smooth surfaces</p> Signup and view all the answers

    What is the primary use of pattern wax in dentistry?

    <p>To form patterns of appliances prior to casting</p> Signup and view all the answers

    What type of wax is used to make inlays, crowns, and pontic replicas?

    <p>Inlay wax</p> Signup and view all the answers

    Which of the following is a characteristic of inlay wax?

    <p>It should be hard and brittle to fracture rather than distort when removed from undercut areas</p> Signup and view all the answers

    What is the purpose of using modelling wax (denture base plate wax) in dentistry?

    <p>To form the base of the denture</p> Signup and view all the answers

    What is the purpose of using denture casting wax in dentistry?

    <p>To produce the metal components of cobalt-chromium partial dentures</p> Signup and view all the answers

    What is the primary difference between synthetic waxes and natural waxes?

    <p>Synthetic waxes are chemically different from natural waxes</p> Signup and view all the answers

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