Q
The bacteria observed as a causative organism in case of Recurrent apthous ulcers is __________________?
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A
A. Streptococcus sangius
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B
B. Streptococcus mutans
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C
C. Borellia vincentii
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D
D. Staphylococci albus
Correct Answer:
A. A. Streptococcus sangius