![shutterstock_96140129](https://www.nationalelfservice.net/cms/wp-content/uploads/2012/05/shutterstock_96140129-150x150.jpg)
This review of the efficacy of topical hyaluronic acid (HA) for reducing the signs and symptoms of recurrent aphthous stomatitis (RAS) included 9 studies 8 of which were RCTs. The findings suggest that HA may be a potential treatment option for RAS but the evidence is of very low certainty.
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