髓管

The teeth are amber and opalescent,with pulp chamber obliterated by abnormal dentin.

受累的牙齿呈乳白色光泽，髓室和根管变窄甚至完全闭锁。

The medical name for root canal surgery is endodontics.

医学名称为根管手术是牙髓。

In endodontics, various materials have been used for root repair: amalgam, zinc oxide eugenol, calcium hydroxide, composites and glass-ionomers.

在牙体牙髓科的临床操作中，已有很多材料被用于根管的修复，如：银汞、氧化锌、氢氧化钙、复合树脂和玻璃离子。

The tooth Sui chamber presents black and transparent image, the root-canal goes to the root sharp bore to present to become gradually thin image.

牙髓腔呈黑色透明影像，根管口至根尖孔呈逐渐变细的影像。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。