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Recurrent aphthous stomatitis is commonly caused by exposure to Bacillus fusiformis or Borreliavincentii. Patients with this condition usually present with oval or round ulcerations with a yellow-white fibrous surface encircled by a red halo.

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Recurrent aphthous stomatitis is commonly caused by exposure to Bacillus fusiformis or Borreliavincentii. Patients with this condition usually present with oval or round ulcerations with a yellow-white fibrous surface encircled by a red halo.






 
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