Dental Caries

A. Gottlieb
B. Miller
C. Synder
D. Orland and Fizgerald

A. Dextranase and soluble dextran
B. Insoluble dextan and glucosyl transferase
C. soluble dextan and glucosyl transferase
D. None of the above

A. Increase in plaque formation
B. Increase in calculus formation
C. Decrease in plaque formation
D. Causes precipitation of salivary proteins

A. Enamel
B. Dentin
C. Pulp
D. Cementum

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

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. Enamel spindles
B. Dentinoenamel junction
C. Enamel lamellae
D. Striae of Retzius

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

A. 1890
B. 1920
C. 1924
D. 1980