bone block的用法和樣例：
例句
- Lateral X-ray film and CT scanning showed free bone fragments and defect of posteroinferior angles of the vertebrae.
影像學檢查見腰椎椎體後下緣骨缺損及遊離骨塊突入椎管內。 - The comparision of the cervical aligment and hight on disc space between the combine bone graft and the biomechanical standard.
結果複合骨塊融合組的生物力學性能均優於常規髂骨融合組。
