Question: First permanent molars begin to calcify at ______________?

• 1. 6 months of intra utrerine life
• 2. At birth
• 3. Before decidous incisors
• 4. About 1 year after birth

Question: Maxillary primary cuspid enamel completion takes place at______________?

• 1. 6 months in utero
• 2. 6 months after birth
• 3. 9 months in utero
• 4. 9 months after birth

Question: The tooth bud for the third molar is initiated at about the age of______________?

• 1. 6th month I.U
• 2. 1st year of life
• 3. 2nd year of life
• 4. 8th year of life

Question: The first macroscopic indication of morphologic development of primary incisors approximately at____________?

• 1. 11 weeks in utero
• 2. 14 weeks in utero
• 3. 16 weeks in utero
• 4. 6 weeks in utero

Question: A new tooth is erupting in the mouth of a one and a half year old child. This tooth is most likely to be a decidous___________?

• 1. Maxillary central incisor
• 2. Mandibular lateral incisor
• 3. Maxillary lateral incisor
• 4. Maxillary canine

Question: The first evidence of calcification of primary anterior teeth begins approximately between ______________?

• 1. 14 to 17 weeks in utero
• 2. 9 to 12 weeks in utero
• 3. 6- to 9 weeks in utero
• 4. 17 to 20 weeks in utero

Question: Which of the following is true about calcification of teeth ?

• 1. Calcification of primary teeth is almost complete at time of birth
• 2. Calcification of all primary teeth and few permanent teeth complete at birth
• 3. Calcification of all permanent teeth complete at birth
• 4. Calcification of primary teeth starts around birth

Question: The process of exfolitation of primary teeth is between_____________?

• 1. Seventh and eight years
• 2. Seventh and ninth years
• 3. Seventh and tenth years
• 4. Seventh and Twelfth years

Question: The teeth that are retained for the longest period of time are__________________?

• 1. Maxillary incisors
• 2. Maxillary canines
• 3. Mandibular canines
• 4. B & C

Question: In how many years, the central incisors erupt as permanent teeth ______________?

• 1. 8-9 years
• 2. 10-12 years
• 3. 6-7 years
• 4. 17-25 years