beam strength of tooth

例句：

1. 1.The dentist advised me to replace my old fillings with stronger ones.
   牙医建议我更换旧的填充物为更坚固的。
2. 2.The new orthodontic appliance is designed to improve the strength of teeth.
   新的正畸装置旨在增强牙齿的强度。
3. 3.The patient's diet plays a significant role in maintaining the strength of their teeth.
   患者的饮食习惯对保持牙齿强度起着重要作用。