A. Rickets
B. Fluoride
C. Congenital syphilis
D. Cleidocranial dysostosis
Related Mcqs:
- Deficiency of which of the following will cause enamel hypoplasia ?
A. Vitamin B and C
B. Vitamin A, C and D
C. Calcium
D. Vitamin C - A disease which only affects the formation and eruption of tooth but does not cause hypoplasia is______________?
A. Hypoparathyroidism
B. Hyperthyroidism
C. Rickets
D. Syphilis - Smooth surface caries is characterized by spread of caries in enamel and dentin as cones. These alignment in enamel and dentin is____________?
A. Base to base
B. Apex to base
C. Apex to apex
D. None of the above - Ratio of diameter of enamel rods in the DEJ to the enamel surface is______________?
A. 1:4
B. 1:1
C. 1:2
D. 2:1 - Temporary structures in enamel organ are (before enamel formation) ?
A. Enamel knot
B. Enamel cord
C. Both A and B
D. Enamel Cuticle - Turner’s hypoplasia most commonly affects________________?
A. Deciduous maxillary anteriors
B. Deciduous mandibular anteriors
C. Permanent maxillary anteriors
D. Permanent manibular anteriors - Chronological hypoplasia is_____________?
A. Hypoplasia of local origin
B. Hypoplasia of systemic origin
C. Hypoplasia of hereditary origin
D. None of the above - Mottled enamel is due to______________?
A. Vitamin A deficiency
B. Excess of fluoride
C. Vitamin D deficiency
D. Teratogens - Developmental enamel defects are most commonly seen in_______________?
A. Primary incisors
B. Primary 2nd molar
C. Permanent incisors
D. Permanent 1st molar - A girl suffering from browing of teeth, wearing of enamel but not cavitory, OPG shows obliteration of pulp with narrowing of canal & deposition of secondary dentin, she gave the history that out of her 4 brothers 2 are suffering from the same disease, She is suffering from_______________?
A. melogenesis imperfecta
B. Dentinogenesis imperfecta
C. Flurosis
D. Odontodysplasia