口腔预防医学精品教学（中山大学）9.2自我口腔保健.pptVIP

Steps of plaque control brush floss rinse Toothbrushing toothbrush dentifrices brush teeth effectively Manual Toothbrush Structure Head of toothbrush Neck of toothbrush Handle of toothbrush Manual Toothbrush Head of toothbrush Shape taper, rhomous Size big, small Bristle nylon filaments Manual Toothbrush Bristle of toothbrush nylon filaments hard, medium, soft wave, plane Classification of toothbrush Diameter of bristle： Hard bristle： hard：0.33-0.35mm Super hard ：0.38mm medium：0.25-0.30mm soft： 0.18-0.23mm Manual Toothbrush Neck of toothbrush tiny length Manual Toothbrush Handle of toothbrush easy to hold plastic Qualified Toothbrush Traits small head bristle arranged logically soft bristles ease to holding of handle Dentifrices Components abrasive system 25-60% humectant 20-60% water 15-50% Fluoride Toothpaste concentration water: 1ppm (1/1000,000) toothpaste: 1000ppm Cochrane system review Fluoride Toothpaste Objective: ectiveness in preventing dental caries Selection criteria : RCT, meta-analysis Results: comfirm: 1000ppm, increase with higher fluoride concentration weak: children12moths, risk of fluorosis Conclusion: adolescents, 1000ppm 6 years old, balanced dental caries and fluorosis Toothbrushing Techniques Types of methods Bass (Modified) Fones Methods vertical 垂直上下拂刷 rolling 旋转 vibrate 振摆(颤动） Effectiveness Evaluation brushing technique brushing frequency and duration, brush design The first two factors are the most important since good technique combined with increased time spent brushing will improve plaque removal. Interdental Cleaning Toothpick Dental floss Interdental brush Dental floss Types Tips Flossing for