A novel staging system for caries severity in the primary dentition.

Objectives: Caries in the primary dentition (CIPD) has a high prevalence in U.S. children compared to other diseases, with substantial disparities among different population groups.

Using chlorhexidine varnish to prevent early childhood caries in American Indian children.

Objectives: To test the efficacy of 10% chlorhexidine (CHX) dental varnish applied to the mothers' dentition in preventing caries in American Indian children.

Methods: This was a placebo-controlled, double-blind, randomized clinical trial. Mother-child pairs were enrolled when the child was 4.