8Schou L,Wight C.Does Dental health education affect inequalities in dental health.Community Dent Health,1994,11(2):97-100.
9Loe H,Theilade E,Jensen SB,et al.Experimental gingivitis in man.3.Influence of antibiotics on gingival plaque development.J Periodontal Res,1967,2(4):282-289.
10Chestnutt IG,Schafer F,Jacobson APM,et al.The influence of tooth brushing frequency and post-brushing rising on caries experience in a caries clinical trial.Community Dent Oral Epidemiol,1998,26:406-411.