dentin exposure

• 牙本质暴露

dentin exposure的用法和样例：

例句

1. The underlying layer, called dentin, is more yellow.
   其下面层，称为牙本质，稍微显黄色。
2. Blot the canal dry with a large paper point, leaving the dentin visibly moist.
   使用大量的纸尖吸干根管，但保持牙本质粘结所需的明显湿润。