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牙髓失活是治疗各类不可复性牙髓炎的初始步骤之一,而封失活剂又是使牙髓失活的常用方法,但常规失活剂三氧化二砷封药后疼痛发生率较高,患者较为痛苦。近几年,我们在传统失活法的基础上,应用多聚甲醛代替三氧化二砷减压失活取得了较为满意的效果。报告如下。
Dental pulp inactivation is one of the initial steps in the treatment of various types of irreversible pulpitis, and the deactivator is the common method of inactivating dental pulp, but the incidence of pain after the conventional inactivation of arsenic trioxide is high , The patient is more painful. In recent years, we based on the traditional deactivation method, the application of paraformaldehyde instead of arsenic trioxide decompression inactivation obtained more satisfactory results. The report is as follows.