以往,由于对牙髓的愈合能力缺乏应有的认识,片面地认为牙髓是愈合能力极低的组织。因而,对于牙髓炎的治疗多采用杀死或除去牙髓等破坏牙髓生活机能的方法,例如干髓术,髓摘除术等。这些方法虽能将牙齿保存下来,但由于死髓牙或无髓牙的牙质脆弱,术后发生牙体折裂而至失牙的病例不少,并且这样保留下来的牙齿还有可能成为根尖周感染甚至 In the past, due to the lack of understanding of the healing ability of dental pulp, one-sided view is that dental pulp is a tissue with extremely low healing power. Therefore, the treatment of pulpitis and more use to kill or remove dental pulp and other methods of disrupting pulp life, such as dry pulp, pulp removal and so on. Although these methods can save the teeth, but due to the dead tooth pulp or tooth loss of tooth pulp is fragile, postoperative tooth fractures and tooth loss to a lot of cases, and the teeth may remain so root Tip week infection even