gingival fibromatosis

例句：

1. 1. Thiscondition is characterized by the presence of a firm mass in the gingiva (牙龈).
   这种状况的特征是牙龈中有一个坚硬的肿块。
2. 2. The patient was referred to our clinic for further evaluation and treatment of this gingival fibromatosis.
   患者被转诊到我们的诊所，以进一步评估和治疗这种牙龈纤维瘤。
3. 3.The patient's medical history revealed no prior history of similar conditions, suggesting that the gingival fibromatosis may be an isolated event.
   患者的医疗史没有显示出任何类似的病史，表明这种牙龈纤维瘤可能是孤立事件。