1 and 4 weeks later the gingival index of the 2 groups were examined and assessed.
于基线调查后1周、4周对所有患者进行回顾性牙龈指数调查，比较两组间的差异。
Gingival index (gi), plaque index (PLI) and sulcus bleeding index (SBI) were measured before and after treatment.
治疗前后检查患者的牙龈指数(GI)，菌斑指数(PLI)和龈沟出血指数(SBI)。
The changes of clinical sign, plaque index, gingival index and sulcus bleeding index were observed before and after using yahao.
观察用乳膏前后临床症状和菌斑指数、牙龈指数、龈沟出血指数的变化。
Methods: 1180 Cases were observed after half to 8 years restoration, including gingival color, gingival index( GI), depth of probing.
方法：对1180颗金属烤瓷冠在修复后半年至8年进行复查。
The gingival index (gi). Sulcus bleeding index (SBI) and dental plague index (PLI) were record after or before using. Results: The gi.
用药前后检查牙龈炎指数(GI)、牙龈出血指数(SBI)、菌斑指数(PLI)作为观察指标。
Results The plaque index and gingival index of experiment group had decreased obviously, which effective rate in treatment of gingivitis was higher than that of placebo group.
结果实验组的菌斑指数和牙龈指数均有明显下降，治疗牙龈炎有效率较安慰剂组高。
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.
结果使用纳米银-托玛琳复合材料的受试者牙龈指数显著降低（P <0 .0 1 ） ，但对牙周袋的改善无效果。
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.
结果使用纳米银-托玛琳复合材料的受试者牙龈指数显著降低（P <0 .0 1 ） ，但对牙周袋的改善无效果。
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