HOTTEL EFDA 132 QUESTIONS & CORRECT
ANSWERS LATEST 2025
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
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
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
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 surfaces of anterior and posterior teeth - ANSWER-Fossae
Which term describes the junction of walls of a cavity preparation with the
external surface of the tooth - ANSWER-Cavosurface margin
What Carie's classification is a distal lingual restoration on number nine -
ANSWER-Class III
Dr. GV black is credited for developing - ANSWER-Caries classification system
ANSWERS LATEST 2025
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
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
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
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 surfaces of anterior and posterior teeth - ANSWER-Fossae
Which term describes the junction of walls of a cavity preparation with the
external surface of the tooth - ANSWER-Cavosurface margin
What Carie's classification is a distal lingual restoration on number nine -
ANSWER-Class III
Dr. GV black is credited for developing - ANSWER-Caries classification system
