466.Keratocanthoma most commonly occurs on

a.Lips
b.Buccal mocosa
c.Gingiva
d.Palate

Ans-a.Lips

465.Sarcoma of the soft tissues spread by

1.Blood vessels
2.Lymphatics
3.Direct invasion
4.Local infiltration

Ans-1.Blood vessels
 Ref -Shafer 4th ed pg 169 /5th ed pg 220

464.Induction effect is characterstic of which of the following conditions

a.Cementoblastoma

b.Ameloblastoma

c.Ameloblastic fibro-odontome

d.Odontogenic adenomatoid tumour

Ans-Ameloblastoma