5Habibian M, Beighton D, Stevenso R. Relationships between dietary behaviours, oral hygiene and mutans streptococci in dental plaque of a group of infants in Southern England [J] . Arch Oral Biol, 2002, 47 (6) : 491.
6World Health Organization. Oral health surveys: Basic methods [ M] .4th ed, Geneva: World Health Organization, 1997:39-44.
7Hamilton FA, Davis KE, Blinkhorn AS. An oral health promotion programme for nursing caries [ J] . Int J Paediatr Dent, 1999, 9 (3) : 195.
8Harriss No, Garcia godoy F. Primary Preventive Dentistry, 1999 by Appleton & Lange, A simon & Schuster Company, 199~242.
9Whitford GM, Adair SM, Hanes CMM et aL Enamel uptake and patient exposure to fluoride: Comparison of AFP gel and foam, J pediatric Dentistry, 1995, 17 (3): 199~203.