Aphthous ulcers known as -: (A) Canker sores, (B) Marjolin's ulcer, (C) Curling's ulcer, (D) Cushing ulcers
Answer is A. Ans. is 'a' i.e., Canker SoresAphahous ulcers o Also known as Canker Soreso These are superficial Ulcerations of oral mucosa.o The lesions may be Single or multiple.o Ulceration is surrounded by an erythematous halo and is Covered by a thin exudate.