PT - JOURNAL ARTICLE AU - Shirley, Heather TI - UpFront DP - 2004 Jun 01 TA - American Dental Hygienists Association PG - 2--2 VI - 78 IP - 3 4099 - http://jdh.adha.org/content/78/3/2.short 4100 - http://jdh.adha.org/content/78/3/2.full SO - J Dent Hyg2004 Jun 01; 78