Mesiodistal width is more than cervico- incisal length of crown in_____________?

Conjoint tendon is formed by _________?

A. External and internal oblique

B. External oblique and transversus abdominis

C. Internal oblique and transversus abdominis

D. Internal oblique

Resorption of root of primary incisors starts at_____________?

A. 4 yrs

B. 6 yrs

C. 8 yrs

D. 10 yrs

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 sharpest cusp of primary first molar tooth is____________?

A. Mesiobuccal

B. Distobuccal

C. Mesiolingual

D. Distolingual

Difference between primary and permanent enamel is_______________?

A. In prism arrangement

B. in mineral content

C. No difference in enamel, difference in dentin

D. None of the above