牙髓失活是指用化学药物封于牙髓创面,使牙髓组织失去活力,发生化学性坏死,从而达到有效地进行无痛治疗牙髓病的一种方法。在临床实践中,往往有些患者在封入失活剂后感觉疼痛难忍,作者在传统方法上进行了一些改进,观察治疗60例,疗效满意,现报道如下。 1.材料 Dental pulp is the use of chemical drugs sealed in the pulp wound, the pulp tissue loss of vitality, the occurrence of chemical necrosis, so as to achieve a painless treatment of pulp disease a method. In clinical practice, often some patients feel pain after sealing inactivator, the author made some improvements in the traditional methods, observation and treatment of 60 cases, the effect is satisfactory, are reported below. Material