pit and fissure caries

例句：

1. 1.The dentist found a cavity in the child's tooth.
   牙医在孩子的牙齿里发现了一个洞。
2. 2. Pit caries are more common in children than fissure caries.
   窝蚀龋比点蚀龋更常见于儿童。
3. 3. Dentists recommend brushing teeth twice a day to prevent pit and fissure caries.
   牙医建议每天刷牙两次，以防止窝蚀龋和点蚀龋。