A. Hypoparathyroidism
B. Hyperthyroidism
C. Rickets
D. Syphilis
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 - Which of the following is unlikely to cause enamel hypoplasia ?
A. Rickets
B. Fluoride
C. Congenital syphilis
D. Cleidocranial dysostosis - A 4 year old child with one tooth less than the normal dentition shows large tooth with two crowns and two root canals, the anamoly is______________?
A. Dilaceration
B. Fusion
C. Gemination
D. Concrescence - Beginning of eruption of permanent tooth starts_____________?
A. After completion of root
B. When apical third root is still to be formed
C. When half of the root is still to be formed
D. when root formation starts - Tooth eruption is due to______________?
A. Osteoclastic activity
B. Proliferation of cells at crypt
C. Exforliation of primary tooth
D. Eruptive force - Movement of tooth to close the intermaxillary gap during eruption is due to____________?
A. Physiological tooth migration
B. Active eruption
C. Passive eruption
D. None of the above - The most accepted theory of tooth eruption is____________?
A. Hydrodynamic theory
B. Clone theory
C. Periodontal ligament traction theory
D. Vascular theory - The maximum rate of eruption, as the tooth cusps reach the surface epithelium is around ________ μm/day?
A. 100
B. 75
C. 50
D. 25 - In considering the process of eruption, the pre-functional eruptive stage of a tooth begins when the_____________?
A. Bud stage begins
B. Cap stage begins
C. Bell stage begins
D. Dental lamina begins forming - Turner’s hypoplasia most commonly affects________________?
A. Deciduous maxillary anteriors
B. Deciduous mandibular anteriors
C. Permanent maxillary anteriors
D. Permanent manibular anteriors
