QUESTION 1
Which of the following derive from ectomesenchyme:
enamel
dental papilla
stellate reticulum
Dental papilla and dental sac
none of the above
QUESTION 2
The cervical loop determines:
the shape of the root
the shape of the bony crypt
the number of roots
two of the above are correct
none of the above
QUESTION 3
Mesial shift occurs:
to compensate proximal wear
because of the inclined plane of the cusps
with resorption on distal side
a & b are correct
All of the above are correct
QUESTION 4
The pulp:
has a defensive function through the apical foremen
is devoid of any sensitivity
has more odontoclasts than fibroblasts
contains only collagen type III
none of the above
QUESTION 5
The ameloblasts form:
enamel rod
enamel prism
only collagen type I
the cell free layer
predentine
QUESTION 6
Inorganic, hypocalcified areas in enamel are:
enamel spindle
enamel tuft
enamel lamellae
enamel rods
caries
QUESTION 7
The odontoclasts:
resorbs the bony crypt around the permanent tooth
in a multinucleated cell
forms predentin
Two of the above are correct
has a terminal web
QUESTION 8
The bulk of the tooth is made up of
Secondary dentine
predentin
Interglobular dentine
Mantle dentine
Circumpulpal dentine