PA EFDA Board Final Exam 2025/2026 Graded A+
Comprehensive Prep Guide with the Latest Questions!
In which area on the tooth is the enamel thickest - At the occlusal and incisal surface
Which tissue provides the defence and developmental functions of a tooth - 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........ - Marginal ridges
Name the surface at the base of a class cavity preparation - Pulpal floor
Which tooth has the longest root in the mouth? - Maxillary cuspid/canine
If present, the cusp of Carabelli is located on, which molar - ML cusp area of the maxillary, first molar
The fossa found in the central portion of a molar is named the ____________ fossa? - Central
Where is the Cavo surface margin located? - 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 - Reparative
dentin
What is the correct classification of caries for a carious lesion that is located on the proximal surface
of tooth #8 - Class III
In which direction does the oblique bridge travel across the occlusal surface of a maxillary molar? -
Distobuccal to Mesiolingual DB/ML
What can cause pulpitis? - 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? - Point angle
The anatomical crown of a tooth is described as extending from__________ - The CEJ to the occlusal
surface or incisal edge
The majority of a tooth is compromised of what tissue? - Dentin
What cell is responsible for the formation of enamel? - Ameloblast
_____________ is the fourth hardest tissue in the body that covers the anatomical roots of teeth -
Cementum
What attaches to the bone on one end and two cementum on the other end and allows for slight
movement of a tooth? - Periodontal ligament
Enamel is the second hardest tissue in the body. - False
How many cusps does a mandibular 1st molar have - 5
Which position should the patient chair be adjusted in order to work on the mandibular arch? - Back
of chair raised 25 to 45° from the floor
Which type of instrument is used to rub and smooth amalgam material - Burnisher
What is used as the point of balance, support or rest when grasping and activating an instrument? -
fulcrum
Comprehensive Prep Guide with the Latest Questions!
In which area on the tooth is the enamel thickest - At the occlusal and incisal surface
Which tissue provides the defence and developmental functions of a tooth - 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........ - Marginal ridges
Name the surface at the base of a class cavity preparation - Pulpal floor
Which tooth has the longest root in the mouth? - Maxillary cuspid/canine
If present, the cusp of Carabelli is located on, which molar - ML cusp area of the maxillary, first molar
The fossa found in the central portion of a molar is named the ____________ fossa? - Central
Where is the Cavo surface margin located? - 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 - Reparative
dentin
What is the correct classification of caries for a carious lesion that is located on the proximal surface
of tooth #8 - Class III
In which direction does the oblique bridge travel across the occlusal surface of a maxillary molar? -
Distobuccal to Mesiolingual DB/ML
What can cause pulpitis? - 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? - Point angle
The anatomical crown of a tooth is described as extending from__________ - The CEJ to the occlusal
surface or incisal edge
The majority of a tooth is compromised of what tissue? - Dentin
What cell is responsible for the formation of enamel? - Ameloblast
_____________ is the fourth hardest tissue in the body that covers the anatomical roots of teeth -
Cementum
What attaches to the bone on one end and two cementum on the other end and allows for slight
movement of a tooth? - Periodontal ligament
Enamel is the second hardest tissue in the body. - False
How many cusps does a mandibular 1st molar have - 5
Which position should the patient chair be adjusted in order to work on the mandibular arch? - Back
of chair raised 25 to 45° from the floor
Which type of instrument is used to rub and smooth amalgam material - Burnisher
What is used as the point of balance, support or rest when grasping and activating an instrument? -
fulcrum
