A. Occurs in damaged tissue
B. Tuberculous lesions
C. Atherosclerotic lesions
D. Serum calcium levels are high
Related Mcqs:
- Dystrophic calcifiaction is seen most commonly in which of the following oral tissues__________?
A. Enamel
B. Pulp
C. Dentin
D. Periodontal ligament - Which of the following is true about calcification of teeth ?
A. Calcification of primary teeth is almost complete at time of birth
B. Calcification of all primary teeth and few permanent teeth complete at birth
C. Calcification of all permanent teeth complete at birth
D. Calcification of primary teeth starts around birth - Dytrophic calcification are calcifications seen in__________________?
A. Skin layers
B. Salivary glands
C. Normal tissues
D. Dead tissue - Egg shell calcification of Hilar Lymphnode is associated with_____________?
A. Silicosis
B. Asbestosis
C. Byssinosis
D. Anthracosis - Enzymes, which play an important role in calcification are______________?
A. Enolase and Calcitonin
B. Alkaline phosphatase and catalase
C. Alkaline phosphatase and pyrophophatase
D. Pyrophosphatase and carbonic anhydrase - Calcification of permanent first molar usually begins in the_____________?
A. Third month of intrauterine life
B. In the sixth month of intrauterine life
C. At birth
D. In the third month of extra uterine life - A radiograph of 4- years old child reveals no evidence of calcification of mandibular second pre molar. This indicates______________?
A. It is too early to make final predication
B. The teeth may develop later
C. Primary second molar extracted to allow mesial drifting of permanent first molar
D. The child may never develop premolars - calcification in enamel starts at____________?
A. Enamel matrix
B. Root
C. CEJ
D. DEJ - Enzymes which play an important role in calcification are______________?
A. Enolase & calcitonin
B. Alkaline phosphatase & catalase
C. Alkaline phosphatase & pyrophosphatase
D. Pyrophosphatase & carbonic anhydrase - Pathologic calcification is seen in:__________?
A. Scleroderma
B. Lichen planus
C. Dystrophic epidermolysis bullosa
D. Lupus erythematosus