前臼齿

例句：

1. 1. The dentist examined her teeth and found a cavity in the front molar.
   牙医检查了她的牙齿，发现前磨牙有一个蛀洞。
2. 2. During the growth of the baby, the first molars appear as the first set of teeth to come in.
   在婴儿成长过程中，第一套牙齿首先出现，即乳磨牙。
3. 3. After eating, the front teeth are often used for grinding food.
   吃东西后，前牙通常用于磨碎食物。