dentinal matrix

例句：

1. 1.The dentist used a drill to remove the damaged tooth.
   牙医用钻头移除了损坏的牙齿。
2. 2. The study found that the dental matrix plays an important role in bone regeneration.
   研究发现，牙本质基质在骨再生中起着重要作用。
3. 3. The patient's teeth were extracted due to advanced periodontal disease.
   由于严重的牙周病，患者被拔除了牙齿。