PT - JOURNAL ARTICLE ED - , TI - Abstract DP - 2004 Oct 01 TA - American Dental Hygienists Association PG - 13--22 VI - 78 IP - 4 4099 - http://jdh.adha.org/content/78/4/13.short 4100 - http://jdh.adha.org/content/78/4/13.full SO - J Dent Hyg2004 Oct 01; 78