Duct of parotid gland crosses over masseter muscle and pierces the___________?
		A.	Buccinator muscle
B.	Superior constrictor
C.	Masseter
D.	Zygomaticus major
		A.	Buccinator muscle
B.	Superior constrictor
C.	Masseter
D.	Zygomaticus major
		A.	Side effects of drugs
B.	Cost of therapy
C.	Dosage of drugs
D.	Development of drug resistance
		A.	In open air
B.	Under air compression
C.	When several layer are fired simultaneously
D.	Under minimum pressure
		A.	T3 more potent than T4
B.	T4 binds to prealbumin
C.	Absorption of T4 is more than T3
D.	Concentration of T4 is more than T3
		A.	Lateral pterygoid
B.	Medial pterygoid
C.	Temporalis – anterior fibers
D.	Temporalis- posterior fibers
		A.	Feldspar
B.	Kaolin
C.	Quartz
D.	Clay
		A.	high fusion expansion
B.	high fusion temperature
C.	linear coefficient of thermal expansion less than but close to that of metal
D.	Linear coefficient of thermal expansion greater than, but close to that of the metal