What are key points regarding recurrent aphthous stomatitis (RAS)?

Updated: May 11, 2020
  • Author: Jaisri R Thoppay, DDS, MBA, MS; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Key points include the following:

  • RAS is the most common ulcerative condition of mouth
  • The clinician must distinguish localized RAS from ulcers resulting from an underlying cause
  • Topical and systemic therapies are used to manage RAS

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