Characteristics and Classification of Dental Composites
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Questions and Answers

Which component in the composition of conventional composite materials acts as the binder?

  • UV absorber
  • Organic resin matrix (correct)
  • Coupling agent
  • Inorganic filler particles
  • What is the purpose of hydroquinone in the composition of conventional composite materials?

  • To prevent premature polymerization (correct)
  • To match tooth color
  • To act as a coupling agent
  • To improve color stability
  • What role do titanium dioxide and aluminum play in traditional composite materials?

  • To match tooth color
  • To improve color stability (correct)
  • To act as coupling agents
  • To prevent premature polymerization
  • Why is tri-ethylene glycol di-meth-acrylate (TEGDMA) added to the organic resin matrix in traditional composite materials?

    <p>To control consistency of the composite paste</p> Signup and view all the answers

    Which type of composite is characterized by low polymerization shrinkage and good color match to tooth structure?

    <p>Conventional or traditional composite</p> Signup and view all the answers

    What is the classification of composite based on size of filler particles that includes small particles and hybrid composites?

    <p>Conventional or traditional composite</p> Signup and view all the answers

    Which type of composite is a two-paste system containing a base paste with benzoyl peroxide initiator and a catalyst paste with tertiary amine activator?

    <p>Conventional or traditional composite</p> Signup and view all the answers

    What type of composite is chemically activated with a system composed of a base paste containing benzoyl peroxide and a catalyst paste with tertiary amine activator?

    <p>Conventional or traditional composite</p> Signup and view all the answers

    Why are early composite types using Ultra Violet light not used anymore?

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

    What is the role of inhibitors in visible light activated resins?

    <p>Enhance stability to room light or dental operatory light</p> Signup and view all the answers

    Why do Photo initiator and Amine accelerator not interact under normal light conditions?

    <p>Initiator is activated only when exposed to light of correct wavelength</p> Signup and view all the answers

    What makes light cures composites different from self cures composites in terms of their application?

    <p>Supplied as light-tight syringes or capsules</p> Signup and view all the answers

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