牙及牙根种植属于骨内种植,早在50年前就已有研究报导,70年代发展迅速,许多作者在牙及牙根种植的动物实验研究中取得了不少成果,从而为牙及牙根种植的临床应用研究提供了理论和实践的依据。临床修复中,对牙列缺损患者都是采用传统的修复方法—活动义齿及固定义齿。而一些病员因缺乏牙槽骨支持或粘膜不能耐受 Tooth and root planting is a bone implant, as early as 50 years ago, studies have been reported, the rapid development of the 1970s, many authors in tooth and root cultivation of animal experiments have made a lot of achievements, so as to teeth and root planting Clinical application of research provides a theoretical and practical basis. Clinical repair, the dentition defect patients are using the traditional repair methods - removable dentures and fixed dentures. Some patients due to the lack of alveolar bone support or mucosal intolerance