植牙术分为牙种植、牙移植、牙再植三类。牙再植又有立即和延期再植之别。离体牙立即再植除牙龈健康,牙槽骨无明显吸收等一般适应症外,对牙离体时间及牙体完整性有更明确的要求。至今,尚未见长时间离体合并断根牙再植的报导。作者自1970年以来对病牙、外伤松动脱臼牙再植数例,其中两例长时间离体断根牙再植后,分别观察7年和13年,临床效果满意。报告如 Tooth surgery is divided into dental implants, dental implants, replantation of three categories. Replantation has immediate and deferred replantation of the other. Detached teeth immediately replantation In addition to gum health, no obvious alveolar bone absorption and other indications, the tooth release time and tooth integrity have more specific requirements. So far, there has not been a long time reported in vitro debridement. Since 1970, the author has counted several cases of replantation of diseased teeth and loose loose dislocated teeth. Two of them were observed for 7 years and 13 years respectively after long-term replantation of root and root. The clinical effect was satisfactory. Report as