疾病概述

　　由微生物(wu)、物(wu)理(li)或化(hua)學因(yin)素引起頜(he)(he)骨(gu)(gu)(gu)(gu)(gu)(gu)的化(hua)膿性(xing)(xing)(xing)(xing)(xing)感染，稱為(wei)頜(he)(he)骨(gu)(gu)(gu)(gu)(gu)(gu)骨(gu)(gu)(gu)(gu)(gu)(gu)髓(sui)(sui)炎，包括骨(gu)(gu)(gu)(gu)(gu)(gu)膜、骨(gu)(gu)(gu)(gu)(gu)(gu)皮質和(he)骨(gu)(gu)(gu)(gu)(gu)(gu)髓(sui)(sui)整個骨(gu)(gu)(gu)(gu)(gu)(gu)的炎癥。臨床上(shang)可分為(wei)急性(xing)(xing)(xing)(xing)(xing)和(he)慢性(xing)(xing)(xing)(xing)(xing)兩(liang)種，急性(xing)(xing)(xing)(xing)(xing)期(qi)(qi)為(wei)發熱，多個牙松動，疼痛和(he)牙周溢膿；慢性(xing)(xing)(xing)(xing)(xing)期(qi)(qi)一(yi)般在急性(xing)(xing)(xing)(xing)(xing)期(qi)(qi)2周后，局部腫(zhong)脹(zhang)，婁孔排膿，死骨(gu)(gu)(gu)(gu)(gu)(gu)形成。本病青壯年人發病率(lv)(lv)高(gao)(gao)(gao)，男性(xing)(xing)(xing)(xing)(xing)多于女性(xing)(xing)(xing)(xing)(xing)，農民發生率(lv)(lv)高(gao)(gao)(gao)，化(hua)膿性(xing)(xing)(xing)(xing)(xing)頜(he)(he)骨(gu)(gu)(gu)(gu)(gu)(gu)骨(gu)(gu)(gu)(gu)(gu)(gu)髓(sui)(sui)炎約占(zhan)各類型頜(he)(he)骨(gu)(gu)(gu)(gu)(gu)(gu)骨(gu)(gu)(gu)(gu)(gu)(gu)髓(sui)(sui)炎的90%以上(shang)，其中下頜(he)(he)骨(gu)(gu)(gu)(gu)(gu)(gu)發生率(lv)(lv)高(gao)(gao)(gao)，以牙源(yuan)性(xing)(xing)(xing)(xing)(xing)感染最多見，本病目前有抗(kang)生素和(he)外(wai)科(ke)治療，治愈率(lv)(lv)較高(gao)(gao)(gao)。

　　疾病病因

　　好發于(yu)下頜支外(wai)側，由下頜第三磨牙冠周(zhou)炎引起核周(zhou)間隙感染而來(lai)。

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