A. First nine month of life
B. First two years of life
C. First month of life
D. Two or three years of life
Related Mcqs:
- While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?
A. 3-6 years
B. 7-10 years
C. 11-14 years
D. 15- 18 years - A radiograph of the mandibular anterior teeth in a patient reveals radiolucencies above the apices of right lateral and central incisors. No restorations or cavities are present There is no pain or swelling and the pulps are vital. The diagnosis is_________________?
A. Periapical granuloma
B. Cementoblastoma
C. Radicular cyst
D. Chronic abscess - A permanent tooth with a local hypoplastic deformity in a crown is called_______________?
A. Turner’s tooth
B. Taurodontism
C. Enameloma
D. Ghost teeth - Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?
A. Flattened root
B. More pronounced lingual fossa
C. Thinner incisal ridge
D. Sharper proximal incisal angles - First evidence of calcification of maxillary permanent central incisors occurs at_____________?
A. 3-4 months
B. 10-12 months
C. 2-3 years
D. 3-4 years - In how many years, the central incisors erupt as permanent teeth ______________?
A. 8-9 years
B. 10-12 years
C. 6-7 years
D. 17-25 years - A 4-year old child has less number of teeth and lateral incisors with bifurcated roots with two root canals is called_____________?
A. Dilaceration
B. Concrescence
C. Fusion
D. Gemination - A 15-year old boy shows an inverted pear shaped radiolucency between the upper central incisors. The teeth are normal in all aspects The most likely diagnosis is________________?
A. Globulomaxillary cyst
B. Nasopalatine cyst
C. Aneurysmal cyst
D. Dentigerous cyst - The root of maxillary lateral incisors if curved is usually in which direction ?
A. Distal
B. Mesial
C. Facial
D. Palatal - The primary lateral incisors begin to calcify about the_____________?
A. 4th month of life
B. 4th month in utero
C. 41/2 month in utero
D. 5th month in utero