1. Aim To explore the characteristics of replantation of luxated permanent front teeth.
目的探讨恒前牙脱位再植特点。
2. Conclusion: Low level laser (He-Ne) used in replantation of luxated children permanent teeth could promote retainable teeth and recovery of periodontal membrane and pulp.
结论：局部氦氖激光照射对于儿童脱位再植牙齿的存活、牙髓和牙周组织恢复再生都有促进作用。
3. Replantation of luxated permanent front teeth: A report of 69 case
恒前牙外伤脱位再植69例临床研究分析
4. Objective To save luxated tooth and keep working function of teeth and ensure full teeth arrangement.
目的保存脱位牙，保持牙齿正常功能及牙列完整。
5. Methods BMD and BMC of the distal radius of 833 healthy people over 35 years old were measured randomly by single photon absorptiometry (BMD 400E), At the same time their number of teeth present, teeth luxated, teeth decayed were investigated carefully respectively.
方法骨密度仪随机检测833名35岁以上年龄组正常人群的桡骨骨质密度（BMC/BW），含钙水平（BMC），且仔细检查每个人口腔余留牙、松动牙数目，龋齿情况。