Active white enamel lesion: a case-control study.

Purpose: To assess the risk factors involved for active white enamel lesion in public schoolchildren, aged 7 to 12 years, in Natal, Brazil, using a case-control study.

Materials And Methods: A total of 273 cases of active white enamel lesion and 325 controls (lesion-free) were matched by age, gender and school. The independent variables were: age; gender; visible plaque index (VPI); gingival bleeding index (GBI); decayed, missing and filled surfaces (DMFS); decayed, extracted or filled surfaces (dmfs); DMFS-dmfs; and the number of carious surfaces.