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.Management Sciences
Category: Decidous dentition
Cervical bulge. True is____________?
A. Enamel rods at cervical region directed occlusally
B. Results in constriction at cervical region
C. Is characteristic of decidous teeth
D. All of the above
Mesiodistal width is more than cervico- incisal length of crown in_____________?
A. Permanent central incisors
B. Decidous maxillary central incisors
C. Permanent maxillary canines
D. Permanent mandibular lateral incisors
The sharpest cusp of primary first molar tooth is____________?
A. Mesiobuccal
B. Distobuccal
C. Mesiolingual
D. Distolingual
Pulp chambers and roots canals in decidous teeth______________?
A. Wide and deep
B. Shallow and narrow
C. Wide and narrow
D. Shallow and wide
The pulp of first primary molar contains________________?
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
Which of the following decidous molars bears the greatest resemblance to a premolar _____________?
A. Maxillary first
B. Maxillary second
C. Mandibular first
D. Mandibular second
Which among the following is NOT a common finding of the decidous dentition ?
A. Tight contacts, absence of spacing
B. Shallow overjet and overbite
C. Flush terminal plane
D. Ovoid arch form
The largest mesiodistal diameter in primary dentition is____________?
A. Mandibular 1st molar
B. Mandibular2nd molar
C. Maxillary 2nd molar
D. None of the above
Primary teeth differ from permanent teeth in following aspects ?
A. Thickness of enamel and dentin
B. Pulp chambers are longer
C. Roots are flaring
D. All of the above
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