n. (多)刺果,(刺果般的)粘附物,牙钻( bur的名词复数 )
He picked off the burs that had stuck to his overcoat.
他摘去粘在大衣上的芒刺。
Dental rotary instruments. Burs. Part 1: steel and carbide burs.
牙科用旋转器械。牙钻。第1部分:钢制牙钻和硬质合金牙钻。
Dental rotary instruments. Part 2: steel and carbide finishing burs.
牙科旋转器械。第2部分:精制碳钢钻。
After the part is complete chamfer all corners and relieve all burs.
部分完成后,倒角的各个角落,减轻所有钻。
By contrast, it was 98% above the curve of canal. The ratio of enlarging instruments removal was 98%, fissure burs 100%, broaches 50%.
直根管或根管弯曲以上折断器械因器械类型有较大差异,根管扩大器械取出率为98%、裂钻为100%,拔髓针为50%。