Mouth Ulcers Treatment Market By Drug Class (Corticosteroids, Anesthetics, Analgesics, Antimicrobial, Antihistamines), By Formulation (Gel, Spray, Mouthwash, Lozenges), By Indication (Aphthous Ulcer, Oral Lichen Planus, Others) - Growth, Share, Opportunities & Competitive Analysis, 2026 - 2034