RDAEF2 Questions and Verified Answers
Which of the following amalgam types is the most widely used in a modern dental practice and the
same type that we will be using in the EF course? Correct Answer: Admix
Select all of the metals that are found in a "dental amalgam". Correct Answer: silver, tin ,mercury ,
copper
Select all the factors which indicate that an amalgam has been "over triturated (mixed)" Correct Answer:
Sticks to inside of capsule
Poor strength in final restoration
Resists condensing
Very shiny
Of the following factors in regard to an amalgamator, which one did I indicate in class that you would
MOST OFTEN need to change depending on the brand or number of spills of a amalgam capsule? Correct
Answer: time
Which instrument is most often used to transfer amalgam to the cavity preparation? Correct Answer:
carrier
Which of the following instruments is NOT used to carve an amalgam? Correct Answer: foot ball
burnisher
Of the following, which instrument is used first in placing an amalgam restoration? Correct Answer:
condenser
In high-copper phase amalgam alloys, which metal reacts with copper to eliminate the gamma-2
corrosion phase of the alloy? Correct Answer: tin
Water, air or a combination of both should always be used when polishing an amalgam. Correct Answer:
true
A restorative material that has a similar thermal conductivity to enamel is: Correct Answer: composite
Which restorative material is MOST likely to corrode from concemtration cell corrosion factors? Correct
Answer: amalgam
, Micro-leakage can occur from: Correct Answer: Linear thermal expansion
What term is used for the space between two teeth? Correct Answer: distema
Which tooth is the cornerstone of the dentition? Correct Answer: cuspid
There are _____ teeth in the primary dentition. Correct Answer: 20
The mixed dentition period begins with Correct Answer: eruption of the first permanent tooth
There are —— succedaneous teeth? Correct Answer: 20
The mouth can be divided into four sections called? Correct Answer: quadrants
The anterior teeth include the_____. Correct Answer: Incisors and cuspids
__ are the longest teeth in the human dentition and are used for cutting and tearing. Correct Answer:
cuspids
The jaw position that produces maximal stable contact between the occluding surfaces of the maxillary
and mandibular teeth is Correct Answer: centric occlusion
Which type of teeth are present in the permanent dentition but not in the primary dentition? Correct
Answer: premolars
The second phase in mouth opening and movement of the temporomandibular joint is: Correct Answer:
gliding
The condyloid process of the mandible fits into the: Correct Answer: Glenoid fossa
The therm that describes a popping or clicking noise of a joint when it moves is? Correct Answer:
Crepitus
Which salivary glands are located just below and in front of each ear. Correct Answer: parotid
How many lymph nodes are located in the head and neck area? Correct Answer: 170-200
The cervical lympth nodes lie above, beneath and posterior to which muscle? Correct Answer:
sternomastoid
Which of the following amalgam types is the most widely used in a modern dental practice and the
same type that we will be using in the EF course? Correct Answer: Admix
Select all of the metals that are found in a "dental amalgam". Correct Answer: silver, tin ,mercury ,
copper
Select all the factors which indicate that an amalgam has been "over triturated (mixed)" Correct Answer:
Sticks to inside of capsule
Poor strength in final restoration
Resists condensing
Very shiny
Of the following factors in regard to an amalgamator, which one did I indicate in class that you would
MOST OFTEN need to change depending on the brand or number of spills of a amalgam capsule? Correct
Answer: time
Which instrument is most often used to transfer amalgam to the cavity preparation? Correct Answer:
carrier
Which of the following instruments is NOT used to carve an amalgam? Correct Answer: foot ball
burnisher
Of the following, which instrument is used first in placing an amalgam restoration? Correct Answer:
condenser
In high-copper phase amalgam alloys, which metal reacts with copper to eliminate the gamma-2
corrosion phase of the alloy? Correct Answer: tin
Water, air or a combination of both should always be used when polishing an amalgam. Correct Answer:
true
A restorative material that has a similar thermal conductivity to enamel is: Correct Answer: composite
Which restorative material is MOST likely to corrode from concemtration cell corrosion factors? Correct
Answer: amalgam
, Micro-leakage can occur from: Correct Answer: Linear thermal expansion
What term is used for the space between two teeth? Correct Answer: distema
Which tooth is the cornerstone of the dentition? Correct Answer: cuspid
There are _____ teeth in the primary dentition. Correct Answer: 20
The mixed dentition period begins with Correct Answer: eruption of the first permanent tooth
There are —— succedaneous teeth? Correct Answer: 20
The mouth can be divided into four sections called? Correct Answer: quadrants
The anterior teeth include the_____. Correct Answer: Incisors and cuspids
__ are the longest teeth in the human dentition and are used for cutting and tearing. Correct Answer:
cuspids
The jaw position that produces maximal stable contact between the occluding surfaces of the maxillary
and mandibular teeth is Correct Answer: centric occlusion
Which type of teeth are present in the permanent dentition but not in the primary dentition? Correct
Answer: premolars
The second phase in mouth opening and movement of the temporomandibular joint is: Correct Answer:
gliding
The condyloid process of the mandible fits into the: Correct Answer: Glenoid fossa
The therm that describes a popping or clicking noise of a joint when it moves is? Correct Answer:
Crepitus
Which salivary glands are located just below and in front of each ear. Correct Answer: parotid
How many lymph nodes are located in the head and neck area? Correct Answer: 170-200
The cervical lympth nodes lie above, beneath and posterior to which muscle? Correct Answer:
sternomastoid
