近来发现，牙龈上皮细胞增厚也是引起DGO的重要原因之一。

It was discovered that the gingival epithelial thickening was one of the important reasons of causing DGO recently.

youdao

近来发现，牙龈上皮细胞增厚也是引起DGO的重要原因之一。

It was discovered that the gingival epithelial thickening was one of the important reasons of causing DGO recently.

youdao