(A) diphyodont

(B) thecodont

(C) heterodont

(D) all of the above

(A) Sharp pain following application of cold

(B) Sharp pain following application of heat

(C) Severe pain while eating

(D) All of the above mentioned

(A) Randomised controlled
(B) Non-randomised controlled
(C) Cross sectional observational
(D) Cohort

(A) Vitamin A
(B Folic acid
(C) Vitamin C
(D) Vitamin D

(A) Glucose
(B) Alpha limit dextrins
(C) Sucrose
(D) Polysaccharides

(A) Mutans streptococci
(B) Bifidobacteria
(C) Lactobacilli
(D) P. gingivalis

(A) Zone of decomposed dentin
(B) Zone of bacterial invasion
(C) Zone of decalcification
(D) Zone of dentinal sclerosis

(A) Microcosm
(B) Pioneer bacteria
(C) Advancing bacteria
(D) Anaerobic bacteria

(A) Proteolytic theory
(B) Proteolytic chelation theory
(C) Acidogenic theory
(D) Autoimmune theory

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