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id="n23jtah" class="sp1 c6 fl"><em id="zuozhe" class="noshow">鞏詩2</em><em class="user_id noshow">756</em>由 <em class="nickname"></em> 分享</span> <span id="z787c7p" class="fl arc_btn"></span> </div> </div> </div> <div id="347zvba" class="y_ju"></div> <div id="n22tjdb" class="con_article con_main" id="contentText"> <p> 　　口腔潰瘍，又稱為口瘡，是發(fā)生在口腔粘膜上的表淺性潰瘍，大小可從米粒至黃豆大小、成圓形或卵圓形，潰瘍面為凹、周圍充血，可因刺激性食物引發(fā)疼痛，一般一至兩個星期可以自愈?？谇粷冋T因可能是局部創(chuàng)傷、精神緊張、食物、藥物、激素水平改變及維生素或微量元素缺乏。系統(tǒng)性疾病、遺傳、免疫及微生物在口腔潰瘍的發(fā)生、發(fā)展中可能起重要作用。下面是學習啦小編整理的一些相關知識，希望能對大家有幫助!</p><p> 　　<strong>口腔潰瘍的病因</strong></p><p> 　　消化系統(tǒng)疾病(15%)：</p><p> 　　患系統(tǒng)性疾病的患者易發(fā)生口腔潰瘍，主要是通過影響免疫系統(tǒng)而致病?？谇粷兣c胃潰瘍、十二指腸潰瘍、潰瘍性結腸炎、局限性腸炎、肝炎等有關。研究表明：30%-48%的口腔潰瘍患者有消化道疾病，如腹脹、腹瀉或便秘等情況。其中9%以上有消化道潰瘍。</p><p> 　　營養(yǎng)因素(25%)：</p><p> 　　如缺乏微量元素鋅、鐵，缺乏葉酸、維生素B12以及營養(yǎng)不良等，可降低免疫功能，增加復發(fā)性口腔潰瘍發(fā)病的可能性。</p><p> 　　感染因素(13%)：</p><p> 　　有人提出鏈球菌和幾種病毒在復發(fā)性口腔潰瘍發(fā)病中起病原的作用。</p><p> 　　遺傳因素(10%)：</p><p> 　　如父母雙方均患有復發(fā)性口腔潰瘍時，其子女約有80—90%患病，若雙親之一患此病時，其子女約有50—60%患病。</p><p> 　　<strong>口腔潰瘍的癥狀</strong></p><p> 　　1.輕型口瘡：好發(fā)于口腔粘膜角化差的部位，潰瘍呈圓形或橢圓形，大小，數(shù)目不等，散在分布，邊緣整齊，周圍有紅暈，感疼痛，有自限性及復發(fā)史，愈后不留瘢痕。</p><p> 　　2.皰疹樣口瘡：潰瘍小且數(shù)目可多達20個以上，分布較廣泛，無成簇及融合現(xiàn)象，患者有疼痛及伴有頭痛，低熱等全身癥狀，愈后不留瘢痕。</p><p> 　　3.腺周口瘡：好發(fā)于唇內側及口角區(qū)粘膜，潰瘍多單個發(fā)生，且大而深，呈“彈坑”狀，邊緣隆起，底不平微硬，病程長，愈后可留下瘢痕。</p><p> 　　4.白塞綜合征：若已出現(xiàn)口，眼及生殖器，皮膚損害時，則應結合其他系統(tǒng)損害分析并進行診斷。</p><p> 　　<strong>口腔潰瘍的檢查</strong></p><p> 　　單純性口腔潰瘍，口腔視診即可;如口腔潰瘍病程長或為其他疾病的伴隨癥狀，則還應檢查原發(fā)疾病。若為非特異性炎癥，初期出現(xiàn)嚴重的血管及炎性反應，形成潰瘍后，其表面有纖維素性假膜覆蓋，下方有少量壞死組織，固有層有大量炎癥細胞浸潤，膠原纖維可水腫，玻璃樣變或斷裂消失，腺周口瘡的病變與以上基本變化相同，但范圍大而深，且唾液腺腺泡破壞，腺管擴張，上皮增生。</p><p> 　　該病好發(fā)于20～45歲間的女性，男女之比約為2∶3，據有關資料統(tǒng)計，發(fā)病率不底于10%，多發(fā)生于口腔粘膜無角化或角化較差的區(qū)域，如唇內側，舌尖，舌緣，舌腹，頰，軟腭，前庭溝等處粘膜。</p><p> 　　<strong>口腔潰瘍的診斷</strong></p><p> 　　首先以潰瘍愈合時間來區(qū)分，良性口腔潰瘍一般數(shù)天至數(shù)周可以愈合，而惡性口腔潰瘍則呈進行性發(fā)展，數(shù)月甚至年余不愈合;</p><p> 　　其次可以形態(tài)區(qū)分，良性口腔潰瘍一般形態(tài)比較規(guī)則，圓，橢圓或呈線條形，邊緣整齊，清楚，與周圍組織分界清，凹陷的基底部較平滑，摸上去柔軟，疼痛明顯，而惡性口腔潰瘍形態(tài)多不規(guī)則，邊界不清，邊緣隆起呈凹凸不平狀，潰瘍底部不平，呈顆粒狀，觸之質硬韌，明顯區(qū)別于正常粘膜，潰瘍疼痛反而不甚明顯;</p><p> 　　第三可以病程規(guī)律區(qū)分，良性口腔潰瘍常常反復發(fā)生，有自限性，惡性口腔潰瘍卻無復發(fā)史，一旦發(fā)病，就遲遲不愈合;</p><p> 　　第四可以全身情況區(qū)別，良性口腔潰瘍全身癥狀少見，頸部淋巴結不腫大或雖腫大但不硬不粘連，惡性口腔潰瘍則相反，有的甚至有惡病質，最后可根據對藥物的敏感程度作出判斷，良性口腔潰瘍一般用消炎防腐類藥物后效果明顯，愈合加快，而惡性口腔潰瘍則常常對藥物“不理不睬”，療效不明顯。</p><p> 　　<strong>口腔潰瘍的預防</strong></p><p> 　　日常預防</p><p> 　　口腔潰瘍在很大程度上與個人身體素質有關，因此要想完全避免其發(fā)生可能性不大，但如果避免誘發(fā)因素，仍可降低發(fā)生率。</p><p> 　　具體措施是：</p><p> 　　1、注意口腔衛(wèi)生，避免損傷口腔黏膜，避免辛辣性食物和局部刺激。</p><p> 　　2、保持心情舒暢，樂觀開朗，避免遇事著急。</p><p> 　　3、保證充足的睡眠時間，避免過度疲勞。</p><p> 　　4、注意生活規(guī)律性和營養(yǎng)均衡性，養(yǎng)成一定排便習慣，防止便秘。</p><p> 　　健康教育</p><p> 　　1、每次進食后，可用食鹽水或生理鹽水漱口，也可用藥物漱口液，防止因食物殘渣加重繼發(fā)感染。</p><p> 　　2、建立良好的飲食習慣也非常關鍵。平時多吃水果、蔬菜補充豐富的維生素。</p><p> 　　3、適量補充維生素A、B。</p><p> 　　4、養(yǎng)成良好的生活習慣。不抽煙、少喝酒、少食辛辣食物和過冷過熱食物。</p> </div> <div id="3fdqxti" class="y_ju"></div> <div id="jxvpf7c" class="pnum"> <ul 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