PT - JOURNAL ARTICLE AU - Gaston, MA TI - Thankfully, some things never change DP - 2005 Oct 01 TA - American Dental Hygienists Association PG - 1--1 VI - 79 IP - 4 4099 - http://jdh.adha.org/content/79/4/1.short 4100 - http://jdh.adha.org/content/79/4/1.full SO - J Dent Hyg2005 Oct 01; 79