Medical MCQs

A. Formation of large amount of acid
B. Availability of carbohydrate food
C. Viscosity of saliva
D. Localization of acid over tooth surface

A. Lactobacillus is main acusative organism in plaque
B. Smooth surface caries occur due to streptococcus mutans
C. Pit and fissure caries can be prevented by using pit and tissue sealants
D. Fluorides help in reducing caries incidence

A. Enamel spindles
B. Dentinoenamel junction
C. Enamel lamellae
D. Striae of retzius

A. Low buffering capacity of acids
B. Medium buffering capacity for acids
C. High buffering capacity for acids
D. Independent of buffering capacity for acids

A. Miller
B. G.v black
C. Gottlieb
D. Schwartz

A. Does not diffuse through plaque
B. Is rapidly hydrolysed in the mouth
C. Enhances remineralisation
D. Raises the ph in the oral cavity

1 sTreptococcus mutans
2 aCtinomyces viscosus
3 lActobacillus
4 cAmpylobacter

A. Selenium
B. Vanadium
C. Strontium
D. Molybdenum

A. Streptococcus agalactiae
B. Streptococcus mutans
C. Streptococcus bovis
D. Streptococcus anginosus

A. Zone of sclerosis, decalcification zone, bacterial invasion
B. Bacterial invasion, decalcification zone, zone of sclerosis
C. Zone of sclerosis, backterial invasion, decalcification zone
D. Decalcification zone, zone of scierosis, backterial invasion