dentes premolares

例句：

1. 1. The dentist examined the teeth and recommended a new filling for the patient's premolar.
   牙医检查了患者的牙齿，并为患者前磨牙推荐了一个新的填充物。
2. 2. Premolars are important in chewing, so it's important to maintain their health.
   前磨牙在咀嚼中很重要，因此保持它们的健康很重要。
3. 3. During orthodontic treatment, the dentist might need to remove the premolar to correct the bite.
   在正畸治疗期间，牙医可能需要移除前磨牙来纠正咬合。