Which statement best describes Gingivitis?

Gingivitis is primarily characterized as an inflammation of the gums, often resulting from the accumulation of plaque and bacteria along the gum line. The correct statement highlights that gingivitis is a mild condition, especially when compared to more severe forms of gum disease such as periodontitis, which can lead to significant destruction of the supporting structures of the teeth.

This inflammation can manifest as redness, swelling, and bleeding during brushing or flossing. Importantly, gingivitis is typically reversible with proper oral hygiene practices, such as regular brushing, flossing, and professional dental cleanings. The description aligns well with the understanding that while gingivitis indicates a problem, it is not yet at the stage where severe damage has occurred, as can happen with conditions like periodontitis.

In contrast, other choices suggest more severe issues or broader conditions that do not specifically define gingivitis. For instance, severe bacterial infections are characteristic of more advanced periodontal disease, and inflammation of the oral mucosa covers a larger area than just the gums, making them less precise descriptions for gingivitis. The option regarding infections that only affect teeth does not account for the significance of gum health in relation to overall oral health.