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Solutions, creams, or gels designed for application inside the oral cavity. These solutions and creams are applied inside the oral cavity (i.e., the mouth) to produce a local effect (e.g., germicidal) or to create a physical barrier on the surface of the cavity; some liquid products can be applied as sprays. Oral cavity topical products are frequently made from a variety of plant materials and may also include some additives for particular purposes. Some products are intended for oral hygiene, use as antioxidants, or to treat small mouth ulcers (also known as canker sores or aphthous ulceration). Other products may combine the creation of a physical barrier (e.g., a film) and germicidal properties against microorganisms.
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