PT - JOURNAL ARTICLE ED - , TI - DENTSPLY Posters DP - 2012 Sep 01 TA - American Dental Hygienists Association PG - 331--335 VI - 86 IP - 4 4099 - http://jdh.adha.org/content/86/4/331.short 4100 - http://jdh.adha.org/content/86/4/331.full SO - J Dent Hyg2012 Sep 01; 86