Hottel EFDA Quizzes Combined Exam Test Questions &
Answers (Latest )
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
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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
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Where is enamel the thickest? .......ANSWER......incisal/occlusal
surface
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