Oral Anatomy Mcqs

Eruption date of decidous maxillary 2nd molar is ______________?

• (A)  20 months
• (B)  18 months
• (C)  24 months
• (D)  28 months

Answer

Submitted By :Ali Uppal

What is the amount of time required by erupting premolar to move through 1 mm of bone as measured on a bite – wing radigraph ?

• (A)  3-4 months
• (B)  4-5 months
• (C)  5-6 months
• (D)  6-7 months

Answer

Submitted By :Ali Uppal

Kalu, a 6- years – old child, received tetracycline. Noticeable discoloration will be seen in______________?

• (A)  Premolars, incisors and 1st molars
• (B)  Canine and 2nd molars
• (C)  Canines, premolars and2nd molars
• (D)  Incisors and 1st molars

Answer

Submitted By :Ali Uppal

Calcification of third molar begins at__________________?

• (A)  8 months
• (B)  18 months
• (C)  8 years
• (D)  16 years

Answer

Submitted By :Ali Uppal

The time taken for primary tooth root completion after eruption_____________?

• (A)  3 years
• (B)  1 years
• (C)  2 years
• (D)  1 month

Answer

Submitted By :Ali Uppal

Calcification of all teeth except last molars are completed by____________?

• (A)  2 years
• (B)  4 years
• (C)  6 years
• (D)  8 years

Answer

Submitted By :Ali Uppal

Once the enamel formation is complete, the tooth will erupt after approximately______________?

• (A)  One year
• (B)  Two years
• (C)  Three years
• (D)  Four years

Answer

Submitted By :Ali Uppal

The correct dentition in a 9- years old child is_____________?

• (A)  12 CDE6
• (B)  12C456
• (C)  123DE6
• (D)  123456

Answer

Submitted By :Ali Uppal

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

Answer

Submitted By :Ali Uppal

First permanent molars begin to calcify at ______________?

• (A)  6 months of intra utrerine life
• (B)  At birth
• (C)  Before decidous incisors
• (D)  About 1 year after birth

Answer

Submitted By :Ali Uppal