the condition of being pressed closely together and firmly fixed
a disorder in which feces are impacted in the lower colon
a disorder in which a tooth is so crowded in its socket that it cannot erupt normally
a sharp collision produced by striking or dashing against something
造句
用作名詞(n.)
Impaction of morselized bone graft in reparation and reconstruction of acetabulum and femur represented an attractive revision option. 其中壓緊顆粒骨移植是一種修復重建髖臼和股骨缺損的好方法。