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106-MDG Maryland General Dental Assisting
Expanded Function (MDG) Verified Exam Actual Test
Questions and Correct Answers With Rationales
LATEST THIS YEAR||NEWEST EXAM!!!
Class I - Answer-Pit and fissures
Class II - Answer-Posterior mesial and distal
(Interproximal)
Class III - Answer-Anterior mesial and distal
(Interproximal)
Class IV - Answer-Anterior mesial and distal
(Interproximal) including incisal edges
Class V - Answer-Gingival or Cervical (smooth) [#212
dental dam clamp is used]
Class VI - Answer-Occlusal cusps,
Suspect Tooth - Answer-(tooth you suspect is non-vital)
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Control Tooth - Answer-(identical tooth in same arch on
opposite side)
Which tooth do you test 1 st ? - Answer-Control tooth
What 2 things do you have to do before to the tooth before
you perform vitality testing? - Answer-Isolate and MAKE
SURE IT IS DRY
The dial should always be at _____ in the start? - Answer-
Dial always at 0 to start
If you get a false positive/false negative result from vitality
testing what do you do next? - Answer-Electronic pulp
testing can produce a false-positive response or a false-
negative response so must be supported by other
diagnostic findings.
What 7 variables could result in a variety of responses? -
Answer--Teeth with extensive restorations can vary in
response -Teeth with more than one canal can have one
vital canal and non-vital canals -A failing pulp can produce
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a variety of responses -Control tooth may not respond as
anticipated -Moisture on the tooth during testing may
produce an inaccurate reading.
-Tip of the tester touches the gingiva, can cause a
sensation in the gingival not in the tooth
-Batteries on the tester may weaken over time
What is the conductor used in vitality testing? - Answer-
Thin layer of tooth paste (conductor) at tip of electrode,
provides adequate contact to conduct a current from the
pulp tester to the tooth.
What does the conductor provide? - Answer-It allows a
better contact with the teeth for a reading.
Where do you place the electrode tip of the vitality tester?
- Answer-FACIAL surface CERVICAL 1/3 on enamel only
What must you do before you send the impression to the
lab? - Answer-Must be thoroughly cleaned and disinfected
before sent to lab (always clean and disinfect before
pouring)
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What will happen if you remove the alginate impression
too soon? - Answer-Alginate will get stuck in teeth if you
remove it too soon and if it is not set. Leave in for full
length of time as recommended by MI
What does the water temperature do to setting time? -
Answer-Don't forget colder the water longer the
set/warmer the water shorter the set
What is another name for alginate? BOUNS: What does it
mean? - Answer-Alginate is also called irreversible
hydrocolloid (cannot be returned back to natural state)
What is alginate derived from? - Answer-Derived from
seaweed (potassium alginate)
Which goes first powder or water? - Answer-Always put
the powder into the water
What should you always do before measuring powder? -
Answer-Always fluff
106-MDG Maryland General Dental Assisting
Expanded Function (MDG) Verified Exam Actual Test
Questions and Correct Answers With Rationales
LATEST THIS YEAR||NEWEST EXAM!!!
Class I - Answer-Pit and fissures
Class II - Answer-Posterior mesial and distal
(Interproximal)
Class III - Answer-Anterior mesial and distal
(Interproximal)
Class IV - Answer-Anterior mesial and distal
(Interproximal) including incisal edges
Class V - Answer-Gingival or Cervical (smooth) [#212
dental dam clamp is used]
Class VI - Answer-Occlusal cusps,
Suspect Tooth - Answer-(tooth you suspect is non-vital)
,2|Page
Control Tooth - Answer-(identical tooth in same arch on
opposite side)
Which tooth do you test 1 st ? - Answer-Control tooth
What 2 things do you have to do before to the tooth before
you perform vitality testing? - Answer-Isolate and MAKE
SURE IT IS DRY
The dial should always be at _____ in the start? - Answer-
Dial always at 0 to start
If you get a false positive/false negative result from vitality
testing what do you do next? - Answer-Electronic pulp
testing can produce a false-positive response or a false-
negative response so must be supported by other
diagnostic findings.
What 7 variables could result in a variety of responses? -
Answer--Teeth with extensive restorations can vary in
response -Teeth with more than one canal can have one
vital canal and non-vital canals -A failing pulp can produce
,3|Page
a variety of responses -Control tooth may not respond as
anticipated -Moisture on the tooth during testing may
produce an inaccurate reading.
-Tip of the tester touches the gingiva, can cause a
sensation in the gingival not in the tooth
-Batteries on the tester may weaken over time
What is the conductor used in vitality testing? - Answer-
Thin layer of tooth paste (conductor) at tip of electrode,
provides adequate contact to conduct a current from the
pulp tester to the tooth.
What does the conductor provide? - Answer-It allows a
better contact with the teeth for a reading.
Where do you place the electrode tip of the vitality tester?
- Answer-FACIAL surface CERVICAL 1/3 on enamel only
What must you do before you send the impression to the
lab? - Answer-Must be thoroughly cleaned and disinfected
before sent to lab (always clean and disinfect before
pouring)
, 4|Page
What will happen if you remove the alginate impression
too soon? - Answer-Alginate will get stuck in teeth if you
remove it too soon and if it is not set. Leave in for full
length of time as recommended by MI
What does the water temperature do to setting time? -
Answer-Don't forget colder the water longer the
set/warmer the water shorter the set
What is another name for alginate? BOUNS: What does it
mean? - Answer-Alginate is also called irreversible
hydrocolloid (cannot be returned back to natural state)
What is alginate derived from? - Answer-Derived from
seaweed (potassium alginate)
Which goes first powder or water? - Answer-Always put
the powder into the water
What should you always do before measuring powder? -
Answer-Always fluff
