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保存牙根发育未完成的死髓牙,常规采用根管治疗,但由于根端呈漏斗形,给根管充填造成困难。本文介绍用空管疗法,此法不仅操作简便,疗效优良,且可使牙根继续发育,形成根尖,达到根端封闭。采用空管疗法可保存更多的患牙,值得推广。操作步骤:按根管治疗常规清除根管内坏死组织用双氧水冲洗根管,擦干根管,将新调制的激素抗生素糊剂导入根管,最后严密封闭根管口并充填窝洞,防止来自口腔的再感染。操作中注意勿损伤根端组织宜采用广谱高效抗生素。例1 张××,男,13岁,初诊日期1979年2月2日。患者因牙痛就诊。口腔检查发现(?)畸形,中央尖折断,牙髓已坏死。X 线片示(?)根管粗大,根端呈
Preserved dead tooth root development unfinished, conventional use of root canal treatment, but because the root funnel-shaped root canal filling difficulties. This article describes the use of empty tube therapy, this method is not only easy to operate, excellent efficacy, and can continue root development, the formation of root tip, root closure. Using empty tube therapy can save more teeth, it is worth promoting. Steps: Root canal treatment of conventional removal of necrotic tissue root canal with hydrogen peroxide irrigation root canal, dry the root canal, the new modulation of hormone antibiotic paste into the root canal, and finally tightly closed the root canal mouth and fill the nest hole to prevent from Re-infection of the mouth. Do not damage the root end of the organization should pay attention to the operation of a broad spectrum of highly effective antibiotics. Example 1 Zhang × ×, male, 13 years old, newly diagnosed February 2, 1979. The patient is suffering from toothache. Oral examination found (?) Deformity, central sharp break, pulp has been necrosis. X-ray showed (?) Root canal thick root was