The nerve supplying submandibular gland_________________?
		A.	V
B.	IX
C.	VII
D.	XII
		A.	V
B.	IX
C.	VII
D.	XII
		A.	Hyoid bone
B.	Thyroid cartilage
C.	Transverse process of C5
D.	Transverse process of C6
		A.	Hyoid bone
B.	Upper border of thyroid cartilage
C.	Transverse process of C5
Transverse process of C6
		A.	In cross sections enamel rods appear hexagonal and resembles fish scales
B.	The bodies of rods are near occlusal and incisal surfaces, where as the tails point cervically
C.	The apatite crystals are parallel to bodies and deviate 65° from the tails
D.	All of the above
		A.	Leukoplakia should be proved by biopsy
B.	Leukoplakia does not disappear even after cessation of smoking
C.	Erythroplakia has a higher risk for malignancy than leukoplakia
D. Oral submucous fibrosis is seen in all parts of the world
		A.	It contains more No. of sweat glands
B.	It contains more do. of sebaceous glands
C.	It contains less number of sebaceous glands
D.	It contains less number of sweat glands
		A. condensing osteitis
B. Sclerotic cemental mass
C. chronic diffuse sclerosing osteomyelitis
D. All of the above