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

Question: Beginning of eruption of permanent tooth starts_____________?

• 1. After completion of root
• 2. When apical third root is still to be formed
• 3. When half of the root is still to be formed
• 4. when root formation starts

Question: Root completion of the mandibular first molar takes place by the age_______________?

• 1. 7-8 years
• 2. 8-9 years
• 3. 9-10 years
• 4. 10 – 11 years

Question: First evidence of calcification of maxillary permanent central incisors occurs at_____________?

• 1. 3-4 months
• 2. 10-12 months
• 3. 2-3 years
• 4. 3-4 years

Question: Primary canine erupts______________?

• 1. After D
• 2. Before B
• 3. After B
• 4. After E