变异型干髓术是用于治疗乳牙慢性尖周炎的一种方法,取得了较好的临床疗效。我们又用于治疗恒牙牙髓部分坏死或全部坏死以及慢性尖周炎,也取得了较好疗效,可以使一些恒牙不作根管治疗术。最近又对变异干髓术治疗恒牙慢性尖周炎进行了临床观察,特报道如下。材料和方法一、材料:本组病例均系恒磨牙,其中上颌磨牙22例,下颌磨牙72例,男性43例,女性51例;年龄12～69岁;观察时间分别为1～5 Variant dry pulp is a method for the treatment of chronic periapical deciduous teeth, and achieved good clinical efficacy. We are also used to treat part of the permanent pulp necrosis or necrosis of the pulp and chronic epigastric inflammation, but also achieved good results, can make some permanent teeth without root canal therapy. Recently, the variation of dry pulp for the treatment of chronic persistent periapical clinical observation, especially reported as follows. Materials and Methods First, the material: The group of patients were molars, including maxillary molars in 22 cases, mandibular molars in 72 cases, 43 males and 51 females; aged 12 to 69 years; observation time was 1 to 5