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