interdental septa

例句：

1. 1.The dentist removed the interdental septa to treat the patient's toothache.
   牙医移除了牙间隔膜来治疗患者的牙痛。
2. 2.During sleep, the interdental septa help keep the teeth together.
   在睡眠时，牙间隔膜帮助牙齿保持在一起。
3. 3.The dentist advised the patient to avoid chewing on hard objects while the interdental septa was still in place.
   牙医建议患者在牙间隔膜还在的情况下避免嚼硬物。