Dental Caries

A. Zone of bacterial invasion
B. Zone which can not be remineralized
C. Zone in which collagen is irreversibly denatured
D. Zone that need not be removed before restoration

A. Raw starch
B. Cooked starch
C. Sucrose
D. Fructose

A. Enamel cuticle
B. Interprismatic substance
C. Organic matrix
D. Enamel lamellae

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

A. Glucose
B. Sucrose
C. Dextran
D. Polysaccharide

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

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

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

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. only 1
B. only 2
C. 1 and 3
D. All of the above