By Dr. Stephanie McGann, DMD FAGD, Columnist, UnionvilleTimes.com As a dentist, I am obsessive about oral hygiene, as a mom I fight the same fight as everyone else I know.  My kids are just like yours.   I’m sure my son isn’t the only kid to swear up and down he brushed his teeth but somehow the toothbrush is still dry.  Really? February is national children’s dental health month.  So this...