Mouth Ulcer Treatment Market Size, Share & Trends Analysis Report By Drug Class (Antimicrobial, Antihistamine, Anesthetic, Analgesics and Corticosteroids, Others), By Formulation (Sprays, Mouthwash, Gels, Others), By Indication (Aphthous Stomatitis, Oral Lichen Planus, Others) and By Region(North America, Europe, APAC, Middle East and Africa, LATAM) Forecasts, 2025-2033