SEM and X ray spectroscopy observation revealed that the most parts of the sandblasted surface of the implants were covered by bone tissue and bone matrix deposited into the pores created by the acid etching.

• 植入 12周后拔出的改良喷砂表面种植体表面经扫描电镜观察与 X-射线谱分析 ,提示种植体表面大部分被覆骨组织 ,粗糙表面的二级窝洞内充满骨样组织。