Progression of dental caries caries on pit and fissure occurs from:
		A. Apex of the pit and fissure
B. Wide and of the pit and fissure
C. Lateral surface of the pit and fissure
D. Bottom of the pit and fissure
		A. Apex of the pit and fissure
B. Wide and of the pit and fissure
C. Lateral surface of the pit and fissure
D. Bottom of the pit and fissure
		A.	Shifts apically with age
B.	Shifts coronally with age
C.	Constant throughout the life
D.	None of the above
		A.	myocarditis
B.	Orchitis
C.	Uveitis
D.	Conjunctivits
		A.	Enamel
B.	Pulp
C.	Dentin
D.	Periodontal ligament
		A.	Single unpaired electron in an outer orbit
B.	Single paired electron in an outer orbit
C.	Double unpaired electron in an outer orbit
D.	Double paired electron in an outer orbit
		A.	Produce distortion in sleep more than other sedatives
B.	More safe than other sedatives when take in larger amounts
C.	After metabolism of other drugs in liver
D.	All have metabolically active substrates
		A.	Tongue
B.	Cheek
C.	Palate
D.	Neck