乳磨牙髓底穿孔的治疗，通常是拔除后做间隙保持器，维持牙间隙，但是由于间隙保持器戴用不方便且不舒适，而且制作复杂，患儿多难以接受。经过多年临床观察，用氧化锌、氢氧化钙及碘仿、红霉素等对50例乳磨牙瞩底穿孔进行治疗，取得良好疗效。l资料与方法病例选择：选择年龄为 Treatment of breast pulp perforation of the bottom of the hole, usually after the removal of the gap retainer to maintain the interdental space, but because of the gap retainer wearing inconvenient and uncomfortable, and complicated to make, more children with unacceptable. After years of clinical observation, zinc oxide, calcium hydroxide and iodoform, erythromycin and other 50 cases of deciduous teeth perforation for treatment, and achieved good results. l Materials and Methods Case Selection: Select the age