管线周围环境
pipeline’s surrounding environment
污染周围环境
surrounding environment pollution
种植体周围龈沟液
Peri_implant sulcular fluid
Peri-implant sulcular fluid
种植体周围炎
peri_implantitis
implantitis
Peri-implantitis
gingival crevicular fluid
种植体周围骨吸收
peri-implant bone resorption