preoral lobe

例句：

1. 1. The dentistexamined the patient's preoral lobe for any signs ofdecay.
   牙医检查了患者的前牙区，以查看是否有蛀牙的迹象。
2. 2. Duringthe surgery, the anesthesiologist monitored the patient's preorallobe to ensure proper anesthesia.
   在手术期间，麻醉师监测了患者的前牙区，以确保适当的麻醉。
3. 3. The dentist advisedthe patient to brush their preoral lobe twice a day tomaintain good oral hygiene.
   牙医建议患者每天刷牙两次，以保持良好的口腔卫生。