OHIO EFDA BOARD EXAM QUESTIONS
WITH CORRECT ANSWERS
At the occlusal and incisal surface - CORRECT ANSWER -In which area on the tooth is the enamel
thickest
Which tissue provides the defense and developmental functions of a tooth - CORRECT ANSWER
-Pulp
Rounded borders of enamel which form the mesial and distal of the occlusal surface on
posterior teeth, or mesial and distal of the lingual surface on interior teeth are named........ -
CORRECT ANSWER -Marginal ridges
Name the surface at the base of a classI cavity preparation - CORRECT ANSWER -Pulpal floor
Which tooth has the longest root in the mouth? - CORRECT ANSWER -Maxillary cuspid/canine
If present, the cusp of Carabelli is located on, which molar - CORRECT ANSWER -ML cusp area of
the maxillary, first molar
The fossa found in the central portion of a molar is named the ____________ fossa? - CORRECT
ANSWER -Central
Where is the cavosurface margin located? - CORRECT ANSWER -At the junction of the cavity wall
and the unprepared tooth structure
If the pulp receives an excessive stimulus, which type of dentin is formed in response - CORRECT
ANSWER -Reparative dentin
, What is the correct classification of caries for a carious lesion that is located on the proximal
surface of tooth #8 - CORRECT ANSWER -Class III
In which direction does the oblique bridge travel across the occlusal surface of a maxillary
molar? - CORRECT ANSWER -Distobuccal to Mesiolingual DB/ML
What can cause pulpitis? - CORRECT ANSWER -Deep cavities into the dentin
High occlusion
Effects of cutting burs
Desiccation
Condensation pressure
Chemical irritation from restorative materials
Temperature changes
Dimensional changes
Lack of marginal seal
What is the junction of three walls inside a cavity preparation identified as? - CORRECT ANSWER
-Point angle
The anatomical crown of a tooth is described as extending from__________ - CORRECT
ANSWER -The CEJ to the occlusal surface or incisal edge
The majority of a tooth is compromised of what tissue? - CORRECT ANSWER -Dentin
What cell is responsible for the formation of enamel? - CORRECT ANSWER -Ameloblast
WITH CORRECT ANSWERS
At the occlusal and incisal surface - CORRECT ANSWER -In which area on the tooth is the enamel
thickest
Which tissue provides the defense and developmental functions of a tooth - CORRECT ANSWER
-Pulp
Rounded borders of enamel which form the mesial and distal of the occlusal surface on
posterior teeth, or mesial and distal of the lingual surface on interior teeth are named........ -
CORRECT ANSWER -Marginal ridges
Name the surface at the base of a classI cavity preparation - CORRECT ANSWER -Pulpal floor
Which tooth has the longest root in the mouth? - CORRECT ANSWER -Maxillary cuspid/canine
If present, the cusp of Carabelli is located on, which molar - CORRECT ANSWER -ML cusp area of
the maxillary, first molar
The fossa found in the central portion of a molar is named the ____________ fossa? - CORRECT
ANSWER -Central
Where is the cavosurface margin located? - CORRECT ANSWER -At the junction of the cavity wall
and the unprepared tooth structure
If the pulp receives an excessive stimulus, which type of dentin is formed in response - CORRECT
ANSWER -Reparative dentin
, What is the correct classification of caries for a carious lesion that is located on the proximal
surface of tooth #8 - CORRECT ANSWER -Class III
In which direction does the oblique bridge travel across the occlusal surface of a maxillary
molar? - CORRECT ANSWER -Distobuccal to Mesiolingual DB/ML
What can cause pulpitis? - CORRECT ANSWER -Deep cavities into the dentin
High occlusion
Effects of cutting burs
Desiccation
Condensation pressure
Chemical irritation from restorative materials
Temperature changes
Dimensional changes
Lack of marginal seal
What is the junction of three walls inside a cavity preparation identified as? - CORRECT ANSWER
-Point angle
The anatomical crown of a tooth is described as extending from__________ - CORRECT
ANSWER -The CEJ to the occlusal surface or incisal edge
The majority of a tooth is compromised of what tissue? - CORRECT ANSWER -Dentin
What cell is responsible for the formation of enamel? - CORRECT ANSWER -Ameloblast
