pars oralis

例句：

1. 1. The dentist examinedthe patient's pars oralisfor any signs of decay.
   牙医检查了病人的口腔部分，以查看是否有蛀牙的迹象。
2. 2. During the surgery, thesurgeon removed the pars oralisto remove the tumor.
   在手术期间，外科医生切除了口腔部分以去除肿瘤。
3. 3. The patient was advised to maintain goodoral hygiene by brushing and flossing regularly.
   患者被建议通过定期刷牙和漱口来保持良好的口腔卫生。