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Gingivitis ("inflammation of the gum tissue") is a non-destructive periodontal disease.〔The American Academy of Periodontology. Proceedings of the World Workshop in Clinical Periodontics. Chicago:The American Academy of Periodontology; 1989:I/23-I/24.〕 The most common form of gingivitis, and the most common form of periodontal disease overall, is in response to bacterial biofilms (also called plaque) adherent to tooth surfaces, termed ''plaque-induced gingivitis''. Gingivitis is reversible with good oral hygiene. However, in the absence of treatment, or if not controlled, gingivitis can progress to periodontitis, where the inflammation results in tissue destruction and alveolar bone resorption, which can ultimately lead to tooth loss. While some cases of gingivitis never progress to periodontitis, data indicate that periodontitis is always preceded by gingivitis. ==Signs and symptoms== The symptoms of gingivitis are somewhat non-specific and manifest in the gum tissue as the classic signs of inflammation: *Swollen gums *Bright red or purple gums *Gums that are tender or painful to the touch *Bleeding gums or bleeding after brushing and/or flossing *Bad breath (halitosis) Additionally, the stippling that normally exists on the gum tissue of some individuals will often disappear and the gums may appear shiny when the gum tissue becomes swollen and stretched over the inflamed underlying connective tissue. The accumulation may also emit an unpleasant odor. When the gingiva are swollen, the epithelial lining of the gingival crevice becomes ulcerated and the gums will bleed more easily with even gentle brushing, and especially when flossing. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「gingivitis」の詳細全文を読む スポンサード リンク
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