The Application dimension of Oral Ulcer Spray segmentation distinguishes products by the clinical intent they serve, directly shaping market revenue streams. Therapeutic sprays—targeted at immediate pain mitigation and inflammation control—represent the largest share, driven by high prevalence of acute ulcer episodes and strong physician prescribing patterns. Healing sprays, formulated with bio‑active agents such as growth factors or collagen‑stimulating peptides, capture a growing niche as patients seek faster mucosal regeneration, influencing premium pricing and longer usage cycles. Preventive sprays, often containing antiseptic or probiotic components, address recurrent ulcer prophylaxis; although their adoption rate is modest, they expand the addressable population by targeting at‑risk groups and chronic sufferers. Collectively, these application sub‑segments define the overall market size, with each contributing distinct demand dynamics, reimbursement pathways, and distribution channels, thereby informing strategic portfolio allocation within the broader Oral Ulcer Spray market.