Methods 42 ITIR implants were included in this study. The changes of subgingival microbion and the clinical periodontalindex after implanting were detected.
方法观察42枚ITI种植体植入术后2年内种植体周龈下细菌构成变化以及相关临床指标。
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Objective: To study the relationship between nitric oxide (NO) levels in saliva of patients with periodontal disease and clinical periodontal disease index.
目的：研究牙周病患者唾液一氧化氮(NO)的含量与牙周病各临床指标的关系。
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Results Two weeks after treatment, gingival index(GI) of nano silver tourmaline composite group was decreased significantly( P <0.01), but the periodontal pocket depth didn't have any change.