5 Written Questions

1. according to manufacturer's directions
2. 2 or more metals
   1)silver
   2)tin
   3)copper
   4)zinc
   5)ratio of alloys depends on what the operator prefers
3. 1)operator or RDA places the base on the floor of the prep
4. 1)amalgam scraps should be stored in a sealed container with water or fixing solution
5. NOT ALL AMALGAM RESTORATIONS NEED A TOFFLEMIRE AND MATRIX

5 Matching Questions

1. Post-Op instructions
2. Category Depths
3. Disadvantages of Amalgam
4. Tofflemire and Matrix are placed around the tooth
5. The rubber dam is removed

1. a a)rinse out the mouth
2. b a)does not match tooth color
   b)will tarnish in time
   c)inadequate edge strength
   d)high rate of thermal conductivity
   e)needs mechanical retention to be held in place
3. c a)operator or RDA
   b)wedges placed on missing walls of cavity prep
4. d 1) the assistant will mix the cavity liner
   a)operator or RDA places the liner in the deepest part of the prep
5. e a)do not chew on the side of the restoration for a least 4-6 hours
   (24 hours to completely set-up)

5 Multiple Choice Questions

1. a)restore teeth for class 1, 2, and 5
   b)core build-up for crowns
   c)retention pins
   1. Uses
   2. NOTE
   3. Ratio
   4. Alloy
2. a)easy to insert into the cavity prep
   1)adapts readily to cavity walls
   b)limited dimensional change
   c)remains plastic long enough to allow for placement, condensation, and carving
   d)good compressive strength
   e)limited marginal leakage
   f)withstands corrosion
   1. Mixing of amalgam
   2. Disadvantages of Amalgam
   3. Handling of Amalgam
   4. Advantages of Amalgam
3. liquid metal (hazardous material)
   Alloy and mercury combined to form amalgam
   1. Alloy
   2. Ratio
   3. Mercury
   4. Procedure
4. a)if the bite is right; the patient is given post-op instructions and dismissed
   b)if the bite is too high, pass the carver to reduce restoration and recheck the bite
   1. The assistant mixes the base cement
   2. Assistant prepares the varnish
   3. Assistant passes the carver and the operator carves down the excess amalgam
   4. Assistant passes the articulating paper to check the bite
5. a)Armamentarium
   1)local anesthetic
   2)rubber dam set-up
   3)basic set-up
   4)hand cutting instrument
   5)cotton pellets
   6)cotton rolls
   7)cavity varnish and cavity liner
   8)zinc phosphate cement
   9)matrix and tofflemire
   10)wedges
   11)HVE tip
   12)saliva ejector
   13)amalgam carrier
   14)condenser
   15)burnisher
   16)carver
   17)interproximal knife
   18)high and slow speed
   19)contra angle attachment
   20)burs
   21)articulating paper
   1. Handling of Amalgam
   2. Advantages of Amalgam
   3. Storage of excess amalgam
   4. Armamentarium and procedure for a class 2 amalgam

5 True/False Questions

1. Assistant prepares the varnish → 1)operator or RDA places the base on the floor of the prep

   True        False

2. Operator prepares class 2 cavity prep with the high speed handpiece → 1)operator or RDA places the base on the floor of the prep

   True        False

3. Procedure Continue → 1)the doctor checks the tooth with a mouth mirror and an explorer
   2)placement of local anesthetic
   a)set-up of anesthetic depends on the tooth being worked on
   3)placement of the rubber dam
   a)used to isloate the area to keep dry and free of debris

   True        False

4. Assistant passes the carver and the operator carves down the excess amalgam → assistant suctions the excess amalgam with the HVE

   True        False

5. Handling of Amalgam → 1)at any time during mixing or placement of amalgam; it should not be touched with your hands
   2)the cavity prep must be dry and moisture free

   True        False