A. Wide and deep
B. Shallow and narrow
C. Wide and narrow
D. Shallow and wide
0
When viewed occlusally, a primary mandibular second molar closely resembles which of the following mandibular teeth ?
0
Roots of primary and secondary teeth are different in that the primary roots are more divergent and flaring. The other difference _____________?
A. Permanent second molar
B. Permanent first molar
C. Second premolar
D. Primary first molar
0
How many roots does a primary maxillary first molar have ___________?
A. Primary roots show less a accessory and lateral canals
B. Primary roots resorb more easily
C. Primary roots are shorter
D. None of the above
0
How many cusps does the crown of the maxillary first primary molar have ?
A. One
B. Two
C. Three
D. Four
0
The largest mesiodistal diameter in primary dentition is____________?
A. 2
B. 3
C. 4
D. 5
0
During the development of a tooth, sound coalescence of the lobes results in_____________?
A. Mandibular 1st molar
B. Mandibular2nd molar
C. Maxillary 2nd molar
D. None of the above
0
The crowns and roots of primary molar at their cervical portions are more____________?
A. Grooves
B. Fissures
C. Cusps
D. All of the above
0
The pulp of first primary molar contains________________?
A. Slender mesiodistally
B. Slender anteroposteriorly
C. Bulkier mesiodistally
D. Buliker anteroposteriorly
0
What is the thickness of the layer of primsless enamel found in primary teeth_____________?
A. Four pulp horn and three root canal
B. Three pulp horn and three root canal
C. Two pulp horn and two root canal
D. Two pulp horn and three root canal
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