A. Birth to 8 years
B. Birth to 12 years
C. Birth to 6 years
D. 6 years to 12 years
Related Mcqs:
- Growth of all permanent teeth except last molars is completed by___________?
A. 6 years
B. 8 years
C. 12 years
D. 17 years - Calcification of all teeth except last molars are completed by____________?
A. 2 years
B. 4 years
C. 6 years
D. 8 years - According to Schour & Massler the crown completion of both permanent maxillary and mandibular first molars is________________?
A. 1½ 2 years
B. 2½ – 3 years
C. 3-4 years
D. 3-5 years - 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 - The process of exfolitation of primary teeth is between_____________?
A. Seventh and eight years
B. Seventh and ninth years
C. Seventh and tenth years
D. Seventh and Twelfth years - 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 - The most constant and valuable trait to differentiate among maxillary first, second and third molars i____________?
A. Number of roots
B. Depth of central fossae
C. Comparative size of the cusp of carabelli
D. Relative position of the distolingual grooves - The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________?
A. Central incisors
B. Mandibular first molar
C. Mandibular second molar
D. Canines - Primary teeth differ from permanent teeth in following aspects ?
A. Thickness of enamel and dentin
B. Pulp chambers are longer
C. Roots are flaring
D. All of the above - A 20yr old patient reports with multiple swelling of the jaws. Clinical examination reveals multiple hard swellings involving the jaws and intra orally several missing teeth are noticed. Panoramic radiograph reveals multiple radio opaque lesions in the maxilla and the mandible with multiple impacted teeth and supernumerary teeth indicative of Gardeners syndrome: The above mentioned condition is______________?
A. Autosomal dominant disease
B. Autosomal recessive disorder
C. X-linked disease
D. A syndrome of unknown cause