HOTTEL EFDA QUIZZES COMBINED QUESTIONS AND
ANSWERS
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
The floor of a class I occlusal cavity prep is known as - Answer -Pulpal floor
The junction of two walls of a cavity prep or two surfaces that meet is known as -
Answer -line angle
The tissue that fills the interproximal space between adjacent teeth - Answer -
Interproximal papilla
Collectively, the gingiva, alveolar process, periodontal ligament and cementum are
known as: - Answer -periodontium
Can a non certified dental assistant apply to become an EFDA in OH? - Answer -No
ANSWERS
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
The floor of a class I occlusal cavity prep is known as - Answer -Pulpal floor
The junction of two walls of a cavity prep or two surfaces that meet is known as -
Answer -line angle
The tissue that fills the interproximal space between adjacent teeth - Answer -
Interproximal papilla
Collectively, the gingiva, alveolar process, periodontal ligament and cementum are
known as: - Answer -periodontium
Can a non certified dental assistant apply to become an EFDA in OH? - Answer -No
