Dental Amalgam Restoration

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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?

It appears dry and crumbly Signup and view all the answers

What is the primary objective of trituration?

To coat all alloy particles with mercury Signup and view all the answers

What is the correct sequence of filling a proximal box?

Fill the proximal box first, then the occlusal part Signup and view all the answers

What is the purpose of condensation in amalgam placement?

To compress each increment of amalgam into the others Signup and view all the answers

What is the correct instrument used for condensing amalgam?

Condenser Signup and view all the answers

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

Condense it into the cavity Signup and view all the answers

What is the primary objective of condensation?

To adapt the amalgam to the cavity margins Signup and view all the answers

What type of condensation requires less force?

Spherical amalgam condensation Signup and view all the answers

What is the advantage of mechanical condensation over hand condensation?

It reduces the fatigue of the dentist Signup and view all the answers

What is the purpose of pre-carve burnishing?

To continue condensation and reduce voids Signup and view all the answers

When should carving of the amalgam start?

When the amalgam is hard enough to offer resistance Signup and view all the answers

What is the direction of carving?

From the tooth surface to the restoration surface Signup and view all the answers

What is the objective of carving?

To simulate the anatomy of the tooth Signup and view all the answers

What is the main purpose of post-carve burnishing?

To make the surface shiny Signup and view all the answers

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

Dental floss Signup and view all the answers

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

Severe pain Signup and view all the answers

Which of these is a benefit of repairing amalgam restorations?

More conservative of tissue 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?

Replace only the mesio-occlusal portion Signup and view all the answers

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

Articulating paper Signup and view all the answers