Since sticky bone (Fig.3,4) and PRF membrane are available, socket preservation is performed with bone condenser and PGA (Fig.5).  If a surgical guide were fabricated, immediate implant would finish quicker.  Any drawback?

整个骨块放入单个牙槽窝，虽然骨块看上去很硬，但是还有一定柔软性，此例使用骨充填器进行压缩。骨块似乎进入牙龈区（图五），仿佛可以提高骨头高度，覆盖PRF膜（所谓血膜），使用PGA缝线缝合。骨块好像不容易掉出来。任何缺陷？改善余地？

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Xin Wei, DDS, PhD, MS 1st edition 06/16/2020, last revision 07/25/2020