G.V.Black主张对于牙本质龋,即便会导致穿髓也要把龋坏组织全部去除。与此相反,所谓间接盖髓法的提倡者认为如果去龋有穿髓的危险则可以保留洞底的临床硬龋。作者作了一个研究,收集在局麻下拔除的有沟裂龋的恒牙40只,这些牙齿是无疼痛史的活髓牙而且不是因为龋而拔除的。牙齿拔下后立即用浸湿盐水的纱布包起来以保持 G.V.Black advocates for the dentine caries, even if it will lead to wear the caries should also remove all the carious tissue. In contrast, advocates of the so-called indirect pulpcrew believe that the clinical hard caries in the cave bottom can be preserved if there is a risk of penetrating the caries. The authors undertook a study to collect 40 permanent teeth with cleft caries removed under local anesthesia. These teeth were live pulp with no history of pain and were not removed due to caries. Immediately after the tooth is removed, it is wrapped with gauze soaked in saline