Fifteen-year gap between oral health of blacks and whites in the USA.

Aim: The purpose of the present study was to consider racial differences across three survey questions related to adult oral health in the National Oral Health Surveillance System (NOHSS) between 1999 and 2014.

Methods: The NOHSS tracks population-level progress made toward improved oral health in the USA. NOHSS adult indicators of oral health data were extracted for 1999-2014, and trends were studied by race.