hornification of gingiva

例句：

1. 1. The patient's hornification was treated with laser surgery.
   患者接受了激光手术治疗牙周硬化。
2. 2.The dentist performed a hornification procedure on the patient's teeth.
   牙医为患者的牙齿进行了牙周硬化处理。
3. 3.The researcher discovered that hornification can lead to tooth loss.
   研究者发现牙周硬化可能导致牙齿脱落。