Dental Amalgam Restoration

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Questions and Answers

What is the primary consideration when selecting an amalgam alloy for a patient?

  • Moisture control in the oral cavity
  • Psychological problem or disease requiring early disposal (correct)
  • Type of preparation required
  • Cost of the alloy

What is the ideal time range for hand trituration?

  • 25 to 45 seconds (correct)
  • 10 to 20 seconds
  • 1 to 2 minutes
  • 5 to 10 minutes

What is the primary advantage of mechanical trituration?

  • It requires less skill than hand trituration
  • It saves time and standardizes the procedure (correct)
  • It provides a more uniform mix
  • It produces a stronger amalgam

What is the characteristic of an under-triturated amalgam?

<p>It appears dry and crumbly (A)</p> Signup and view all the answers

What is the primary objective of trituration?

<p>To coat all alloy particles with mercury (C)</p> Signup and view all the answers

What is the correct sequence of filling a proximal box?

<p>Fill the proximal box first, then the occlusal part (D)</p> Signup and view all the answers

What is the purpose of condensation in amalgam placement?

<p>To compress each increment of amalgam into the others (C)</p> Signup and view all the answers

What is the correct instrument used for condensing amalgam?

<p>Condenser (C)</p> Signup and view all the answers

What should be done with the amalgam within 3 minutes after trituration?

<p>Condense it into the cavity (A)</p> Signup and view all the answers

What is the primary objective of condensation?

<p>To adapt the amalgam to the cavity margins (D)</p> Signup and view all the answers

What type of condensation requires less force?

<p>Spherical amalgam condensation (C)</p> Signup and view all the answers

What is the advantage of mechanical condensation over hand condensation?

<p>It reduces the fatigue of the dentist (C)</p> Signup and view all the answers

What is the purpose of pre-carve burnishing?

<p>To continue condensation and reduce voids (A)</p> Signup and view all the answers

When should carving of the amalgam start?

<p>When the amalgam is hard enough to offer resistance (C)</p> Signup and view all the answers

What is the direction of carving?

<p>From the tooth surface to the restoration surface (C)</p> Signup and view all the answers

What is the objective of carving?

<p>To simulate the anatomy of the tooth (C)</p> Signup and view all the answers

What is the main purpose of post-carve burnishing?

<p>To make the surface shiny (B)</p> Signup and view all the answers

What tool is used to check the integrity of contact points?

<p>Dental floss (B)</p> Signup and view all the answers

What is a possible consequence of high spots in occlusion for a patient?

<p>Severe pain (B)</p> Signup and view all the answers

Which of these is a benefit of repairing amalgam restorations?

<p>More conservative of tissue (A)</p> Signup and view all the answers

In the case of a mesio-occlusodistal restoration with a fractured mesial box portion, what is the most conservative treatment?

<p>Replace only the mesio-occlusal portion (D)</p> Signup and view all the answers

Which method is used to adjust the occlusion of a dental restoration?

<p>Articulating paper (D)</p> Signup and view all the answers

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