Mexico's 2010 census counted fewer than 5,500 residents in Los Algodones, but more than 350 dentists ply their trade here, serving U.S. and Canadian patients seeking affordable procedures. Ted Robbins/NPR hide caption

itoggle caption Ted Robbins/NPR

Kamora Cyprian got her teeth cleaned at a free health care event in the Los Angeles Sports Arena in September 2012. Kevork Djansezian/Getty Images hide caption

itoggle caption Kevork Djansezian/Getty Images

Health care reform should make it easier for many children to get routine dental checkups that are covered by insurance. Terry J Alcorn/iStockphoto.com hide caption

itoggle caption Terry J Alcorn/iStockphoto.com