牙龈对理化刺激具有高度敏感性,轻微的刺激即可造成牙龈状况的变化。基牙颈缘黏结界面暴露的黏结剂均可造成对牙龈的理化刺激[1]。全冠及固定义齿黏固后,因位于牙龈及牙间隙内多余黏结剂未去净,压迫刺激牙龈组织引起炎症,导致牙龈出血。本文通过对2种黏结剂清除 Gums are highly sensitive to physical and chemical stimuli. Slight stimuli can cause changes in the condition of the gums. Bone cement bonding interface exposed adhesive can cause physical and chemical stimulation of the gums [1]. Crowns and fixed denture after fixation, due to the gums and teeth in the gap between the excess binder did not go to the net, the pressure to stimulate the gum tissue inflammation, leading to bleeding gums. This article through the two kinds of adhesive removal