(A) Destructive potential of lactobacillus acidophilus
(B) Destructive potential of streptococcus mutans
(C) Lateral spread of caries along DE junction and weakening of the outer covering enamel
(D) Mastectomy force and unrelated to the extent of carious process

(A) Frequency of sugar intake
(B) Physical form of sugar
(C) Ph of Plaque
(D) Quantity of sugar intake

(A) Fimbriae
(B) Flagella
(C) Cilia
(D) Pseudopodia

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

(A) Selenium
(B) Strontium
(C) Vanadium
(D) Molybdenum

(A) Streptococcus bovis
(B) Streptococcus mutans
(C) Streptococcus agalactiae
(D) Streptococcus anginosus

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

(A) Dextran
(B) Sucrose
(C) Glucose
(D) Polysaccharide

(A) 4.9-5.1
(B) 5.2-5.5
(C) 4.3-4.5
(D) 3.5-4.5

(A) Organic matrix
(B) Interprismatic substance
(C) Enamel cuticle
(D) Enamel lamellae