1|Page
HOTTEL EFDA ACTUAL EXAM NEWEST
2025/2026 COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS|ALREADY
GRADED A+
In the federation dentaire international system for
numbering, a permanent maxillary right first molar is: - . .
ANSWER ✔ ✔16
Which tooth numbering system does not use letters when
describing primary dentition? - . . ANSWER ✔ ✔FDI
Numbering System
On a tooth with extensive gingival recession below the
Cementoenamel junction, what would be visible? - . .
ANSWER ✔ ✔anatomical and clinical crown
What is the periodontium? - . . ANSWER ✔ ✔The oral
hard and soft tissue that supports the teeth
When looking into a healthy oral cavity when will most
likely see - . . ANSWER ✔ ✔The clinical crown
,2|Page
The term that describes a space continuous with an inter-
proximal space, produced curvature's of teeth in contact in
the same arch, that provides a channel or a passage
through which food escapes from the occlusal surfaces of
the teeth during mastication - . . ANSWER ✔
✔Embrasures
Which embrasure is located below the contact area - . .
ANSWER ✔ ✔Gingival
When posterior teeth are viewed from the occlusal, The
proximal contacts are usually located - . . ANSWER ✔
✔more buccal in a buccal to lingual direction
When anterior teeth are viewed from the incisal , the
contact area is located - . . ANSWER ✔ ✔more center in a
buccal to lingual direction
Where is enamel the thickest? - . . ANSWER ✔
✔incisal/occlusal surface
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True or false: pulp increases in size with age - . . ANSWER
✔ ✔False
What dental tissue is comprised of tubules that contain
protoplasmic extensions of the cells that line the pulp
chamber - . . ANSWER ✔ ✔dentin
Enamel covers the anatomical crown of the tooth. The
composition of an enamel is approximately - . . ANSWER
✔ ✔95.5% inorganic, 0.5% organic, 4% water
Dentin is normally yellowish white and darker than an
enamel. The composition of dentin is approximately - . .
ANSWER ✔ ✔70% inorganic, 20% organic, 10% water
What tooth tissue most resembles bone - . . ANSWER ✔
✔cementum
Pulp can be harmed by the Carie's process and by - . .
ANSWER ✔ ✔Sterilizing, cleaning, drying, desensitizing
agent
, 4|Page
Where is the oblique ridge located on a maxillary molar? -
. . ANSWER ✔ ✔DB and ML cusps
Which incisor has the most acute mesioincisal angle
(sharp) - . . ANSWER ✔ ✔Maxillary central
A basic difference between canines and incisors is the
________ that is unique to canines - . . ANSWER ✔
✔Cusp tip
What term is used to describe any linear elevation of the
surface of a tooth - . . ANSWER ✔ ✔Ridge
A union of two triangular ridges produces a single ridge
which is called - . . ANSWER ✔ ✔transverse ridge
What is a marginal ridge - . . ANSWER ✔ ✔Rounded
border of enamel which forms the mesial and distal
margins of anterior and posterior teeth
What is the term used to describe broad irregular
depressions or concavities on the occlusal and lingual
HOTTEL EFDA ACTUAL EXAM NEWEST
2025/2026 COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS|ALREADY
GRADED A+
In the federation dentaire international system for
numbering, a permanent maxillary right first molar is: - . .
ANSWER ✔ ✔16
Which tooth numbering system does not use letters when
describing primary dentition? - . . ANSWER ✔ ✔FDI
Numbering System
On a tooth with extensive gingival recession below the
Cementoenamel junction, what would be visible? - . .
ANSWER ✔ ✔anatomical and clinical crown
What is the periodontium? - . . ANSWER ✔ ✔The oral
hard and soft tissue that supports the teeth
When looking into a healthy oral cavity when will most
likely see - . . ANSWER ✔ ✔The clinical crown
,2|Page
The term that describes a space continuous with an inter-
proximal space, produced curvature's of teeth in contact in
the same arch, that provides a channel or a passage
through which food escapes from the occlusal surfaces of
the teeth during mastication - . . ANSWER ✔
✔Embrasures
Which embrasure is located below the contact area - . .
ANSWER ✔ ✔Gingival
When posterior teeth are viewed from the occlusal, The
proximal contacts are usually located - . . ANSWER ✔
✔more buccal in a buccal to lingual direction
When anterior teeth are viewed from the incisal , the
contact area is located - . . ANSWER ✔ ✔more center in a
buccal to lingual direction
Where is enamel the thickest? - . . ANSWER ✔
✔incisal/occlusal surface
,3|Page
True or false: pulp increases in size with age - . . ANSWER
✔ ✔False
What dental tissue is comprised of tubules that contain
protoplasmic extensions of the cells that line the pulp
chamber - . . ANSWER ✔ ✔dentin
Enamel covers the anatomical crown of the tooth. The
composition of an enamel is approximately - . . ANSWER
✔ ✔95.5% inorganic, 0.5% organic, 4% water
Dentin is normally yellowish white and darker than an
enamel. The composition of dentin is approximately - . .
ANSWER ✔ ✔70% inorganic, 20% organic, 10% water
What tooth tissue most resembles bone - . . ANSWER ✔
✔cementum
Pulp can be harmed by the Carie's process and by - . .
ANSWER ✔ ✔Sterilizing, cleaning, drying, desensitizing
agent
, 4|Page
Where is the oblique ridge located on a maxillary molar? -
. . ANSWER ✔ ✔DB and ML cusps
Which incisor has the most acute mesioincisal angle
(sharp) - . . ANSWER ✔ ✔Maxillary central
A basic difference between canines and incisors is the
________ that is unique to canines - . . ANSWER ✔
✔Cusp tip
What term is used to describe any linear elevation of the
surface of a tooth - . . ANSWER ✔ ✔Ridge
A union of two triangular ridges produces a single ridge
which is called - . . ANSWER ✔ ✔transverse ridge
What is a marginal ridge - . . ANSWER ✔ ✔Rounded
border of enamel which forms the mesial and distal
margins of anterior and posterior teeth
What is the term used to describe broad irregular
depressions or concavities on the occlusal and lingual
