Mucoadhesive Film With/without Acmella Oleracea & Triamcinolone Acetonide for Aphthous Ulcers

Inclusion Criteria

• •1. Healthy participants aged 18-50 years without any underlying diseases.
• •2. Participants are voluntary and have signed the informed consent.
• •3. Participants are literate.
• •4. Participants can follow the treatment guidelines and follow up.
• •5. Participants have one untreated oral ulcer lesion.
• •* An ulcer has occurred within 48 hours.
• •* The ulcer size is less than 10 mm.
• •* The ulcer is clearly visible and located on non-keratinized oral mucosa such as buccal mucosa, labial mucosa, alveolar mucosa, or buccal vestibule.
• •* The ulcer must be painful.
• •6. If an ulcer is caused by a denture or orthodontic appliance, the cause must be eliminated before participation.
• •7. Participants must not be currently participating in any other clinical studies about oral ulcer