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本文主要根据笔者的临床体会,向基层医院工作的同志介绍关于开髓、去髓室顶、找根管、扩大根管等操作的具体方法。一、怎样开髓开髓有两种情况,一种是由(牙合)面龋为入路,这种情况比较容易处理。按正规洞形预备要求,达到应包括的点、裂、隙等,直到近髓深度。注意探查穿髓点,一般说上颌磨牙近中颊髓角和下颌磨牙近中髓角距(牙合)面较近,易于暴露。若在急性牙髓炎时,开髓后即可见有血性或脓性分泌物流出,若为牙髓坏疽则有恶臭
This article mainly based on the author's clinical experience, to the grass-roots hospital comrades on the open pulp, to the pulp chamber roof, find the root canal, expand the root canal and other operations of the specific methods. First, how to open the pulp There are two cases of pulp, one is by (occlusal) caries for the entrance, this situation is easier to handle. According to the formal requirements of the hole to reach the points that should be included, cracks, gaps, etc., until the depth of the proximal medulla. Note that the probe through the marrow, the general that the maxillary molar near the medial cheek pulp and mandibular molar near the medial angle (occlusion) surface is close, easy to expose. If the acute pulpitis, open after the pulp can be seen bloody or purulent discharge, if there is stinkbat necrosis bad smell