HOTTEL’S METHOD FOR EFDA( Effective Diffuse
Absorptivity) EXAM 2025- 2026 QUESTIONS AND
CORRECT ANSWERS GRADED A+
In the federation dentaire international system for numbering, a permanent
maxillary right first molar is:
16
Which tooth numbering system does not use letters when describing primary
dentition?
FDI Numbering System
On a tooth with extensive gingival recession below the Cementoenamel junction,
what would be visible?
anatomical and clinical crown
What is the periodontium?
,The oral hard and soft tissue that supports the teeth
When looking into a healthy oral cavity when will most likely see
The clinical crown
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
Embrasures
Which embrasure is located below the contact area
Gingival
When posterior teeth are viewed from the occlusal, The proximal contacts are
usually located
more buccal in a buccal to lingual direction
When anterior teeth are viewed from the incisal , the contact area is located
, more center in a buccal to lingual direction
Where is enamel the thickest?
incisal/occlusal surface
True or false: pulp increases in size with age
False
What dental tissue is comprised of tubules that contain protoplasmic extensions of
the cells that line the pulp chamber
dentin
Enamel covers the anatomical crown of the tooth. The composition of an enamel is
approximately
95.5% inorganic, 0.5% organic, 4% water
Dentin is normally yellowish white and darker than an enamel. The composition of
dentin is approximately
Absorptivity) EXAM 2025- 2026 QUESTIONS AND
CORRECT ANSWERS GRADED A+
In the federation dentaire international system for numbering, a permanent
maxillary right first molar is:
16
Which tooth numbering system does not use letters when describing primary
dentition?
FDI Numbering System
On a tooth with extensive gingival recession below the Cementoenamel junction,
what would be visible?
anatomical and clinical crown
What is the periodontium?
,The oral hard and soft tissue that supports the teeth
When looking into a healthy oral cavity when will most likely see
The clinical crown
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
Embrasures
Which embrasure is located below the contact area
Gingival
When posterior teeth are viewed from the occlusal, The proximal contacts are
usually located
more buccal in a buccal to lingual direction
When anterior teeth are viewed from the incisal , the contact area is located
, more center in a buccal to lingual direction
Where is enamel the thickest?
incisal/occlusal surface
True or false: pulp increases in size with age
False
What dental tissue is comprised of tubules that contain protoplasmic extensions of
the cells that line the pulp chamber
dentin
Enamel covers the anatomical crown of the tooth. The composition of an enamel is
approximately
95.5% inorganic, 0.5% organic, 4% water
Dentin is normally yellowish white and darker than an enamel. The composition of
dentin is approximately
