OBJECTIVE: To summarize the research progress of materials research, clinical applications of maxillofacial cone CT and ultrasound boneknife in maxillary sinus augmentation.
目的:总结上颌窦提升在材料研究库、牙颌面专用锥形束CT及超声骨刀在临床中的应用等方面的新进展。
2
The hard bone has dulled up the knife blade.
这硬骨头把刀刃弄钝了。
3
A painter can have gongfu. Or the butcher who cuts meat every day with such skill... his knife never touches bone.