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Table 2 Distribution of lesion closure grade within the two treatment groups after 3 and 7 days

From: Treatment of recurrent aphthous stomatitis (RAS; aphthae; canker sores) with a barrier forming mouth rinse or topical gel formulation containing hyaluronic acid: a retrospective clinical study

Grade of closure 3 days 7 days
All (n = 45) Rinse (n = 20) Gel (n = 25) All (n = 45) Rinse (n = 20) Gel (n = 25)
100% 7% 5% 8% 58% 60% 56%
50- < 100% 18% 10% 24% 31% 20% 40%
> 0- < 50% 33% 25% 40% 11% 20% 4%
0 42% 60% 28% 0% 0% 0%