Objective to study the feasibility and significance of using a salivary occult blood test to detect the presence of gingival inflammation.

These findings indicated that continuously using fluoride-coated dental floss could reduce the quantity of plaque, S% and effectively control gingival inflammation.

Periodontal disease manifested as gingival inflammation, gingival ulcers, gingival necrosis and loosening of teeth, bleeding gums and emerging symptoms such as pain and malignant transformation.