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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