Q
Oral ulcers which occurs in groups, persist for about 6 weeks and leave scars on healing are______________?
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A
A. Recurrent aphthous major
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B
B. Recurrent aphthous minor
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C
C. Recurrent herpetiform ulcers
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D
D. Acute herpetic gingivostomatitis
Correct Answer:
A. A. Recurrent aphthous major