gingival marginal atrophy

例句：

1. 1. The patient's gums were noticeably thinner than before, indicating a possible gingival marginal atrophy.
   患者的牙龈比之前明显变薄，可能表明有牙龈边缘萎缩。
2. 2.This condition is often associated with tooth loss and can lead to gingival marginal atrophy if left untreated.
   这种状况常与牙齿缺失有关，如果不治疗，可能会导致牙龈边缘萎缩。
3. 3. In some cases, gingival marginal atrophy may be the result of poor oral hygiene or underlying dental disease.
   在某些情况下，牙龈边缘萎缩可能是由于不良口腔卫生或潜在的牙病导致的。