Bleeding from the gums occurs when the gums are injured by mechanical external forces, but they can also bleed spontaneously due to local or systemic diseases. Local causes include trauma, various inflammations, and tumors, while systemic causes include vitamin C deficiency, bleeding tendency or bleeding diathesis, blood diseases, and systemic diseases that cause gingivitis. Most local causes are temporary and can be easily stopped. Systemic causes are not limited to the gums and can also cause bleeding in other parts of the body, and the bleeding is persistent and often difficult to stop. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
歯肉からの出血は,機械的な外力により歯肉が傷つけられて起こるが,このほか局所的な疾患や全身疾患のために歯肉から自然に出血することもある。局所的原因には外傷,種々の炎症,腫瘍などがあり,全身的原因には,ビタミンC欠乏症,出血傾向ないし出血性素因あるいは血液疾患,歯肉炎の原因となる全身疾患などがあげられる。局所的原因により起こるものは多くは一時的で,容易に止血しうる。全身的原因によるものは歯肉のみに限らず身体の他部にも出血傾向がみられ,出血は持続的で止血困難な場合が多い。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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