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吸烟和牙周病

来源:华人健康网 | 发布时间:2010-10-07 08:40:17 | www.chinesejk.com

  牙周病由多种因素引起,比如口腔卫生不良、牙结石、食物嵌塞等促进因素。吸烟是牙周疾病的一大诱因,烟民是牙周病高发人群。原因是,吸烟时口腔内不时有烟雾滞留,烟雾内的焦油直接沉积在牙面上形成烟渍(亦称烟斑)。它们不易被刷掉,使牙齿变得粗糙,细菌、软垢更易附着,若不注意口腔卫生,很快会形成大块牙石,直接刺激牙龈组织,使牙龈红肿,易出血。

  另外,吸烟时因烟雾的高温和有毒的化学成分(如尼古丁、烟碱等)直接刺激牙龈组织和进人血液循环,使牙龈毛细

  血管长期充血、水肿,局部免疫功能下降。

  吸烟还是重度牙周炎的高危因素。口腔医学专家观察发现,每日吸烟量在10支以上者,患牙周病的几率大大高于日吸烟量在10支以下者,吸得越少,几率越低。

(编辑:小鱼 )

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