冠周炎是覆盖于正在萌出或部分阻生齿牙冠表面和周围软组织的炎症 ,并由此常常引起颌面部的间隙感染。主要发生于青年下颌第三磨牙萌出时 ,是口腔常见疾病。我们在临床工作中采取甲硝唑粉剂与樟脑酚液联合在局部应用 ,治疗青年下颌智齿冠周炎 2 5 0例 ,取得了较好效果 ,现报告 Pericoronitis is an inflammation that covers the soft tissue that is eruptioning or partially occlusion of the surface of the tooth crown and surrounding it and thus often causes interstitial infection of the maxillofacial region. Occurs mainly in the young mandibular third molar eruption, is a common oral disease. We in clinical work to take metronidazole powder and camphor phenol solution in the topical application of treatment of young mandibular wisdom teeth pericoronitis 250 cases achieved good results, the report