The most common precancerous lesion for oral malignancy is____________?
		A.	chronic hypertrophic candidiasis
B.	Leukoplakia
C.	Dental ulcers
D.	atrophic glossitis
		A.	chronic hypertrophic candidiasis
B.	Leukoplakia
C.	Dental ulcers
D.	atrophic glossitis
		A.	Lower head of lateral pterygoid muscle
B.	Sphenomandibular ligament
C.	Superficial head of medial pterygoid muscle
D.	Upper head of lateral pterygoid muscle
		A.	Atroe
B.	Chlorpheniramine
C.	Imipramine
D.	Neostigmine
		A.	Ecchymosis – large extravasation of blood in to the skin and mucous membrane
B.	Purpura – small areas (1cm) of hemorrhage in to the skin and mucous membrane
C.	petechiae – small  point hemorrhages
D.	All of the above
		A.	Rickets
B.	Congenital hyperthyroidism
C.	Cleidocranial dysplasia
D.	cherubism
		A.	Cervical third of the root
B.	Middle third of the root
C.	Apical third of the root
D.	No secondary cementum forms
		A.	The effect is more pronounced in venous
B.	High membrane penetrability
C.	Poorly suited for oral administration
D.	All of the above