Combination of Diclofenac Potassium and Propolis in the Therapy of Oral Aphthosis

Patients will be divided into two groups: the first one will be treated with a combination of diclofenac 3% (10 mg/g, 60 g, EMS) and Propolis 5% gel and the second one is placebo group. Participants will be allocated randomly. The patients will be asked to apply gel 2 times per day. The patients will be instructed, not to eat or drink for 1 h after application of the gel

placebo