1·Primary teeth; Root canal therapy; Root canal filling material.
乳牙；根管治疗；根管充填材料。
2·To evaluate the therapeutic effect and the feasibility of the ART (atraumatic restorative treatment) restoration in the cavities of primary teeth.
评价非创伤性充填技术(ART)用于治疗乳牙龋病的临床效果和可行性。
3·Conclusion: the results suggested that the coral paste is a good material for root canal filling of primary teeth.
结论：珊瑚糊剂是一种较理想的乳牙根管充填材料。
4·Conclusion: Iodoformcalcium hydroxide paste is more suitable for root canal therapy as root canal filling materials in primary teeth.
结论：碘仿氢氧化钙糊剂更适合作为乳牙根管充填材料。
5·Although all 20 primary teeth usually appear by age 3, the pace and order of eruption varies.
虽然20颗乳牙一般全部萌出在3岁左右，但是萌出的步骤和顺序是多种多样的。