机械性阻塞造成咽鼓管功能不良的病理性因素有（） ["腺样体肥大","颈淋巴结肿大","肥厚性鼻炎","鼻咽部肿瘤","长期的鼻咽腔填塞"]
试述口腔扁平苔藓的治疗方法。
经断复来辨证有何证型，下列哪项是错误的（） ["湿毒瘀结型","脾虚肝郁型","肾阴虚型","湿热下注型","肾阳虚型"]
属于分泌性中耳炎命名的是（） ["化脓性中耳炎","非化脓性中耳炎","渗出性中耳炎","卡他性中耳炎","浆液性中耳炎"]
绝经前后诸证的主要病机是（） ["肝火不足，冲任亏虚","气血不足，月经失调","脾气虚弱，冲任不固","心气不足，气血失调","肾气虚衰，冲任不足"]
试述牙冠延长术的适应证及禁忌证。
